77399030 has 8 divisors (see below), whose sum is σ = 139318272. Its totient is φ = 30959608.

The previous prime is 77399029. The next prime is 77399051. The reversal of 77399030 is 3099377.

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

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, 3869942 + ... + 3869961.

It is an arithmetic number, because the mean of its divisors is an integer number (17414784).

Almost surely, 2^77399030 is an apocalyptic number.

77399030 is a deficient number, since it is larger than the sum of its proper divisors (61919242).

77399030 is a wasteful number, since it uses less digits than its factorization.

77399030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7739910.

The product of its (nonzero) digits is 35721, while the sum is 38.

The square root of 77399030 is about 8797.6718511206. The cubic root of 77399030 is about 426.1657131897.

The spelling of 77399030 in words is "seventy-seven million, three hundred ninety-nine thousand, thirty".