97493745 has 16 divisors (see below), whose sum is σ = 159310080. Its totient is φ = 50889984.

The previous prime is 97493743. The next prime is 97493749. The reversal of 97493745 is 54739479.

It is a happy number.

It is not a de Polignac number, because 97493745 - 2¹ = 97493743 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 97493694 and 97493703.

It is not an unprimeable number, because it can be changed into a prime (97493741) 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, 68440 + ... + 69849.

It is an arithmetic number, because the mean of its divisors is an integer number (9956880).

Almost surely, 2^97493745 is an apocalyptic number.

It is an amenable number.

97493745 is a deficient number, since it is larger than the sum of its proper divisors (61816335).

97493745 is a wasteful number, since it uses less digits than its factorization.

97493745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138344.

The product of its digits is 952560, while the sum is 48.

The square root of 97493745 is about 9873.8920897486. The cubic root of 97493745 is about 460.2483614706.

The spelling of 97493745 in words is "ninety-seven million, four hundred ninety-three thousand, seven hundred forty-five".