77492942 has 8 divisors (see below), whose sum is σ = 118712736. Its totient is φ = 37922032.

The previous prime is 77492939. The next prime is 77492951. The reversal of 77492942 is 24929477.

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

It is a junction number, because it is equal to n+sod(n) for n = 77492893 and 77492902.

It is a congruent number.

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, 412103 + ... + 412290.

It is an arithmetic number, because the mean of its divisors is an integer number (14839092).

Almost surely, 2^77492942 is an apocalyptic number.

77492942 is a deficient number, since it is larger than the sum of its proper divisors (41219794).

77492942 is a wasteful number, since it uses less digits than its factorization.

77492942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 824442.

The product of its digits is 254016, while the sum is 44.

The square root of 77492942 is about 8803.0075542396. The cubic root of 77492942 is about 426.3380060400.

The spelling of 77492942 in words is "seventy-seven million, four hundred ninety-two thousand, nine hundred forty-two".