97742451 has 8 divisors (see below), whose sum is σ = 131186944. Its totient is φ = 64729800.

The previous prime is 97742443. The next prime is 97742453. The reversal of 97742451 is 15424779.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 97742451 - 2³ = 97742443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (97742453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 107431 + ... + 108336.

It is an arithmetic number, because the mean of its divisors is an integer number (16398368).

Almost surely, 2^97742451 is an apocalyptic number.

97742451 is a deficient number, since it is larger than the sum of its proper divisors (33444493).

97742451 is a wasteful number, since it uses less digits than its factorization.

97742451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215921.

The product of its digits is 70560, while the sum is 39.

The square root of 97742451 is about 9886.4781899319. The cubic root of 97742451 is about 460.6393928208.

The spelling of 97742451 in words is "ninety-seven million, seven hundred forty-two thousand, four hundred fifty-one".