77240674 has 8 divisors (see below), whose sum is σ = 132412608. Its totient is φ = 33103140.

The previous prime is 77240633. The next prime is 77240699. The reversal of 77240674 is 47604277.

It is a happy number.

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

It is a super-2 number, since 2×77240674² = 11932243439948552, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2758582 + ... + 2758609.

It is an arithmetic number, because the mean of its divisors is an integer number (16551576).

Almost surely, 2^77240674 is an apocalyptic number.

77240674 is a deficient number, since it is larger than the sum of its proper divisors (55171934).

77240674 is a wasteful number, since it uses less digits than its factorization.

77240674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5517200.

The product of its (nonzero) digits is 65856, while the sum is 37.

The square root of 77240674 is about 8788.6673620066. The cubic root of 77240674 is about 425.8748741670.

The spelling of 77240674 in words is "seventy-seven million, two hundred forty thousand, six hundred seventy-four".