69130640 has 40 divisors (see below), whose sum is σ = 167721408. Its totient is φ = 26449280.

The previous prime is 69130637. The next prime is 69130643. The reversal of 69130640 is 4603196.

It is an interprime number because it is at equal distance from previous prime (69130637) and next prime (69130643).

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (69130643) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16946 + ... + 20625.

Almost surely, 2^69130640 is an apocalyptic number.

It is an amenable number.

69130640 is an abundant number, since it is smaller than the sum of its proper divisors (98590768).

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

69130640 is a wasteful number, since it uses less digits than its factorization.

69130640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37607 (or 37601 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 29.

The square root of 69130640 is about 8314.4837482552. The cubic root of 69130640 is about 410.4152841591.

The spelling of 69130640 in words is "sixty-nine million, one hundred thirty thousand, six hundred forty".