97750072 has 16 divisors (see below), whose sum is σ = 209464560. Its totient is φ = 41892864.

The previous prime is 97750063. The next prime is 97750091. The reversal of 97750072 is 27005779.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 872713 + ... + 872824.

It is an arithmetic number, because the mean of its divisors is an integer number (13091535).

Almost surely, 2^97750072 is an apocalyptic number.

It is an amenable number.

97750072 is an abundant number, since it is smaller than the sum of its proper divisors (111714488).

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

97750072 is a wasteful number, since it uses less digits than its factorization.

97750072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1745550 (or 1745546 counting only the distinct ones).

The product of its (nonzero) digits is 30870, while the sum is 37.

The square root of 97750072 is about 9886.8636078384. The cubic root of 97750072 is about 460.6513645606.

The spelling of 97750072 in words is "ninety-seven million, seven hundred fifty thousand, seventy-two".