77013130 has 8 divisors (see below), whose sum is σ = 138623652. Its totient is φ = 30805248.

The previous prime is 77013107. The next prime is 77013149. The reversal of 77013130 is 3131077.

It can be written as a sum of positive squares in 2 ways, for example, as 73667889 + 3345241 = 8583^2 + 1829^2 .

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, 3850647 + ... + 3850666.

Almost surely, 2^77013130 is an apocalyptic number.

77013130 is a deficient number, since it is larger than the sum of its proper divisors (61610522).

77013130 is a wasteful number, since it uses less digits than its factorization.

77013130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7701320.

The product of its (nonzero) digits is 441, while the sum is 22.

The square root of 77013130 is about 8775.7125066857. The cubic root of 77013130 is about 425.4562666233.

The spelling of 77013130 in words is "seventy-seven million, thirteen thousand, one hundred thirty".