97542812 has 24 divisors (see below), whose sum is σ = 175423920. Its totient is φ = 47439360.

The previous prime is 97542799. The next prime is 97542817. The reversal of 97542812 is 21824579.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97542817) 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, 20762 + ... + 25022.

It is an arithmetic number, because the mean of its divisors is an integer number (7309330).

Almost surely, 2^97542812 is an apocalyptic number.

It is an amenable number.

97542812 is a deficient number, since it is larger than the sum of its proper divisors (77881108).

97542812 is a wasteful number, since it uses less digits than its factorization.

97542812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4421 (or 4419 counting only the distinct ones).

The product of its digits is 40320, while the sum is 38.

The square root of 97542812 is about 9876.3764610306. The cubic root of 97542812 is about 460.3255603339.

The spelling of 97542812 in words is "ninety-seven million, five hundred forty-two thousand, eight hundred twelve".