77140234 has 8 divisors (see below), whose sum is σ = 117607428. Its totient is φ = 37937760.

The previous prime is 77140213. The next prime is 77140243. The reversal of 77140234 is 43204177.

It can be written as a sum of positive squares in 2 ways, for example, as 70509609 + 6630625 = 8397^2 + 2575^2 .

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

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, 316027 + ... + 316270.

Almost surely, 2^77140234 is an apocalyptic number.

77140234 is a deficient number, since it is larger than the sum of its proper divisors (40467194).

77140234 is a wasteful number, since it uses less digits than its factorization.

77140234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 632360.

The product of its (nonzero) digits is 4704, while the sum is 28.

The square root of 77140234 is about 8782.9513262912. The cubic root of 77140234 is about 425.6901984673.

The spelling of 77140234 in words is "seventy-seven million, one hundred forty thousand, two hundred thirty-four".