77492230 has 16 divisors (see below), whose sum is σ = 139633920. Its totient is φ = 30964032.

The previous prime is 77492197. The next prime is 77492231. The reversal of 77492230 is 3229477.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77492231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7306 + ... + 14434.

It is an arithmetic number, because the mean of its divisors is an integer number (8727120).

Almost surely, 2^77492230 is an apocalyptic number.

77492230 is a deficient number, since it is larger than the sum of its proper divisors (62141690).

77492230 is a wasteful number, since it uses less digits than its factorization.

77492230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8223.

The product of its (nonzero) digits is 21168, while the sum is 34.

The square root of 77492230 is about 8802.9671134226. The cubic root of 77492230 is about 426.3367003142.

The spelling of 77492230 in words is "seventy-seven million, four hundred ninety-two thousand, two hundred thirty".