69940377 has 12 divisors (see below), whose sum is σ = 108796324. Its totient is φ = 43040160.

The previous prime is 69940357. The next prime is 69940393. The reversal of 69940377 is 77304996.

It can be written as a sum of positive squares in 2 ways, for example, as 39237696 + 30702681 = 6264^2 + 5541^2 .

It is not a de Polignac number, because 69940377 - 2¹⁶ = 69874841 is a prime.

It is not an unprimeable number, because it can be changed into a prime (69940307) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 298774 + ... + 299007.

Almost surely, 2^69940377 is an apocalyptic number.

It is an amenable number.

69940377 is a deficient number, since it is larger than the sum of its proper divisors (38855947).

69940377 is a wasteful number, since it uses less digits than its factorization.

69940377 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 597800 (or 597797 counting only the distinct ones).

The product of its (nonzero) digits is 285768, while the sum is 45.

The square root of 69940377 is about 8363.0363505129. The cubic root of 69940377 is about 412.0114856037.

The spelling of 69940377 in words is "sixty-nine million, nine hundred forty thousand, three hundred seventy-seven".