97629442 has 4 divisors (see below), whose sum is σ = 146444166. Its totient is φ = 48814720.

The previous prime is 97629439. The next prime is 97629449. The reversal of 97629442 is 24492679.

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

It can be written as a sum of positive squares in only one way, i.e., 73805281 + 23824161 = 8591^2 + 4881^2 .

It is not an unprimeable number, because it can be changed into a prime (97629449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24407359 + ... + 24407362.

Almost surely, 2^97629442 is an apocalyptic number.

97629442 is a deficient number, since it is larger than the sum of its proper divisors (48814724).

97629442 is a wasteful number, since it uses less digits than its factorization.

97629442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48814723.

The product of its digits is 217728, while the sum is 43.

The square root of 97629442 is about 9880.7612054942. The cubic root of 97629442 is about 460.4617952266.

The spelling of 97629442 in words is "ninety-seven million, six hundred twenty-nine thousand, four hundred forty-two".