76561954 has 32 divisors (see below), whose sum is σ = 137062656. Its totient is φ = 31389120.

The previous prime is 76561951. The next prime is 76561957. The reversal of 76561954 is 45916567.

It is an interprime number because it is at equal distance from previous prime (76561951) and next prime (76561957).

It is a self number, because there is not a number n which added to its sum of digits gives 76561954.

It is not an unprimeable number, because it can be changed into a prime (76561951) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30387 + ... + 32809.

It is an arithmetic number, because the mean of its divisors is an integer number (4283208).

Almost surely, 2^76561954 is an apocalyptic number.

76561954 is a gapful number since it is divisible by the number (74) formed by its first and last digit.

76561954 is a deficient number, since it is larger than the sum of its proper divisors (60500702).

76561954 is a wasteful number, since it uses less digits than its factorization.

76561954 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2530.

The product of its digits is 226800, while the sum is 43.

The square root of 76561954 is about 8749.9687999444. The cubic root of 76561954 is about 424.6238036642.

The spelling of 76561954 in words is "seventy-six million, five hundred sixty-one thousand, nine hundred fifty-four".