70748536 has 32 divisors (see below), whose sum is σ = 137168640. Its totient is φ = 34189408.

The previous prime is 70748527. The next prime is 70748539. The reversal of 70748536 is 63584707.

It is a super-2 number, since 2×70748536² = 10010710692286592, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70748539) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30075 + ... + 32341.

It is an arithmetic number, because the mean of its divisors is an integer number (4286520).

Almost surely, 2^70748536 is an apocalyptic number.

It is an amenable number.

70748536 is a deficient number, since it is larger than the sum of its proper divisors (66420104).

70748536 is a wasteful number, since it uses less digits than its factorization.

70748536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2403 (or 2399 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 40.

The square root of 70748536 is about 8411.2148944133. The cubic root of 70748536 is about 413.5923391114.

The spelling of 70748536 in words is "seventy million, seven hundred forty-eight thousand, five hundred thirty-six".