97007540 has 48 divisors (see below), whose sum is σ = 245078400. Its totient is φ = 31508352.

The previous prime is 97007539. The next prime is 97007549. The reversal of 97007540 is 4570079.

It is a junction number, because it is equal to n+sod(n) for n = 97007497 and 97007506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97007549) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15575 + ... + 20894.

It is an arithmetic number, because the mean of its divisors is an integer number (5105800).

Almost surely, 2^97007540 is an apocalyptic number.

It is an amenable number.

97007540 is an abundant number, since it is smaller than the sum of its proper divisors (148070860).

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

97007540 is a wasteful number, since it uses less digits than its factorization.

97007540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36504 (or 36502 counting only the distinct ones).

The product of its (nonzero) digits is 8820, while the sum is 32.

The square root of 97007540 is about 9849.2405798620. The cubic root of 97007540 is about 459.4819940823.

The spelling of 97007540 in words is "ninety-seven million, seven thousand, five hundred forty".