69940740 has 48 divisors (see below), whose sum is σ = 196523712. Its totient is φ = 18585216.

The previous prime is 69940687. The next prime is 69940757. The reversal of 69940740 is 4704996.

It is a super-2 number, since 2×69940740² = 9783414223495200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16522 + ... + 20318.

It is an arithmetic number, because the mean of its divisors is an integer number (4094244).

Almost surely, 2^69940740 is an apocalyptic number.

69940740 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

69940740 is an abundant number, since it is smaller than the sum of its proper divisors (126582972).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

69940740 is a wasteful number, since it uses less digits than its factorization.

69940740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4116 (or 4114 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 39.

The square root of 69940740 is about 8363.0580531287. The cubic root of 69940740 is about 412.0121984009.

The spelling of 69940740 in words is "sixty-nine million, nine hundred forty thousand, seven hundred forty".