97629427 has 4 divisors (see below), whose sum is σ = 111576496. Its totient is φ = 83682360.

The previous prime is 97629407. The next prime is 97629437. The reversal of 97629427 is 72492679.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 97629427 - 2²³ = 89240819 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (97629407) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6973524 + ... + 6973537.

It is an arithmetic number, because the mean of its divisors is an integer number (27894124).

Almost surely, 2^97629427 is an apocalyptic number.

97629427 is a deficient number, since it is larger than the sum of its proper divisors (13947069).

97629427 is a wasteful number, since it uses less digits than its factorization.

97629427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13947068.

The product of its digits is 381024, while the sum is 46.

The square root of 97629427 is about 9880.7604464434. The cubic root of 97629427 is about 460.4617716445.

It can be divided in two parts, 976 and 29427, that added together give a palindrome (30403).

The spelling of 97629427 in words is "ninety-seven million, six hundred twenty-nine thousand, four hundred twenty-seven".