69780572 has 12 divisors (see below), whose sum is σ = 124956216. Its totient is φ = 34078800.

The previous prime is 69780569. The next prime is 69780577. The reversal of 69780572 is 27508796.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (69780577) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 202679 + ... + 203022.

It is an arithmetic number, because the mean of its divisors is an integer number (10413018).

Almost surely, 2^69780572 is an apocalyptic number.

It is an amenable number.

69780572 is a deficient number, since it is larger than the sum of its proper divisors (55175644).

69780572 is a wasteful number, since it uses less digits than its factorization.

69780572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 405748 (or 405746 counting only the distinct ones).

The product of its (nonzero) digits is 211680, while the sum is 44.

The square root of 69780572 is about 8353.4766414948. The cubic root of 69780572 is about 411.6974480927.

The spelling of 69780572 in words is "sixty-nine million, seven hundred eighty thousand, five hundred seventy-two".