97772542 has 24 divisors (see below), whose sum is σ = 180641664. Its totient is φ = 39436992.

The previous prime is 97772527. The next prime is 97772551. The reversal of 97772542 is 24527779.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27678 + ... + 31009.

It is an arithmetic number, because the mean of its divisors is an integer number (7526736).

Almost surely, 2^97772542 is an apocalyptic number.

97772542 is a deficient number, since it is larger than the sum of its proper divisors (82869122).

97772542 is a wasteful number, since it uses less digits than its factorization.

97772542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58720 (or 58713 counting only the distinct ones).

The product of its digits is 246960, while the sum is 43.

The square root of 97772542 is about 9887.9998988673. Note that the first 3 decimals coincide. The cubic root of 97772542 is about 460.6866587993.

The spelling of 97772542 in words is "ninety-seven million, seven hundred seventy-two thousand, five hundred forty-two".