70497564 has 24 divisors (see below), whose sum is σ = 165083520. Its totient is φ = 23415024.

The previous prime is 70497529. The next prime is 70497569. The reversal of 70497564 is 46579407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70497569) 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, 6984 + ... + 13775.

It is an arithmetic number, because the mean of its divisors is an integer number (6878480).

Almost surely, 2^70497564 is an apocalyptic number.

It is an amenable number.

70497564 is an abundant number, since it is smaller than the sum of its proper divisors (94585956).

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

70497564 is a wasteful number, since it uses less digits than its factorization.

70497564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21049 (or 21047 counting only the distinct ones).

The product of its (nonzero) digits is 211680, while the sum is 42.

The square root of 70497564 is about 8396.2827489312. The cubic root of 70497564 is about 413.1027031681.

The spelling of 70497564 in words is "seventy million, four hundred ninety-seven thousand, five hundred sixty-four".