97742774 has 8 divisors (see below), whose sum is σ = 147144288. Its totient is φ = 48694680.

The previous prime is 97742767. The next prime is 97742779. The reversal of 97742774 is 47724779.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97742779) 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, 87662 + ... + 88769.

It is an arithmetic number, because the mean of its divisors is an integer number (18393036).

Almost surely, 2^97742774 is an apocalyptic number.

97742774 is a deficient number, since it is larger than the sum of its proper divisors (49401514).

97742774 is a wasteful number, since it uses less digits than its factorization.

97742774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176710.

The product of its digits is 691488, while the sum is 47.

The square root of 97742774 is about 9886.4945253614. The cubic root of 97742774 is about 460.6399002303.

The spelling of 97742774 in words is "ninety-seven million, seven hundred forty-two thousand, seven hundred seventy-four".