76143690 has 48 divisors (see below), whose sum is σ = 226257408. Its totient is φ = 17404128.

The previous prime is 76143673. The next prime is 76143733. The reversal of 76143690 is 9634167.

76143690 is a `hidden beast` number, since 7 + 614 + 36 + 9 + 0 = 666.

It is a super-2 number, since 2×76143690² = 11595723053632200, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 59802 + ... + 61061.

It is an arithmetic number, because the mean of its divisors is an integer number (4713696).

Almost surely, 2^76143690 is an apocalyptic number.

76143690 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

76143690 is an abundant number, since it is smaller than the sum of its proper divisors (150113718).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

76143690 is a wasteful number, since it uses less digits than its factorization.

76143690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120883 (or 120880 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 36.

The square root of 76143690 is about 8726.0351821431. The cubic root of 76143690 is about 423.8491401418.

The spelling of 76143690 in words is "seventy-six million, one hundred forty-three thousand, six hundred ninety".