76394638 has 16 divisors (see below), whose sum is σ = 119771136. Its totient is φ = 36476440.

The previous prime is 76394609. The next prime is 76394641. The reversal of 76394638 is 83649367.

It is a super-2 number, since 2×76394638² = 11672281430302088, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40995 + ... + 42817.

It is an arithmetic number, because the mean of its divisors is an integer number (7485696).

Almost surely, 2^76394638 is an apocalyptic number.

76394638 is a deficient number, since it is larger than the sum of its proper divisors (43376498).

76394638 is a wasteful number, since it uses less digits than its factorization.

76394638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2759.

The product of its digits is 653184, while the sum is 46.

The square root of 76394638 is about 8740.4026223052. The cubic root of 76394638 is about 424.3142583889.

76394638 divided by its sum of digits (46) gives a triangular number (1660753 = T₁₈₂₂).

The spelling of 76394638 in words is "seventy-six million, three hundred ninety-four thousand, six hundred thirty-eight".