97702642 has 4 divisors (see below), whose sum is σ = 146553966. Its totient is φ = 48851320.

The previous prime is 97702639. The next prime is 97702651. The reversal of 97702642 is 24620779.

It is a happy number.

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., 57138481 + 40564161 = 7559^2 + 6369^2 .

It is a super-3 number, since 3×97702642³ (a number of 25 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24425659 + ... + 24425662.

Almost surely, 2^97702642 is an apocalyptic number.

97702642 is a deficient number, since it is larger than the sum of its proper divisors (48851324).

97702642 is a wasteful number, since it uses less digits than its factorization.

97702642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48851323.

The product of its (nonzero) digits is 42336, while the sum is 37.

The square root of 97702642 is about 9884.4646794857. The cubic root of 97702642 is about 460.5768472106.

The spelling of 97702642 in words is "ninety-seven million, seven hundred two thousand, six hundred forty-two".