76441999 has 16 divisors (see below), whose sum is σ = 81648000. Its totient is φ = 71438080.

The previous prime is 76441987. The next prime is 76442029. The reversal of 76441999 is 99914467.

It is a cyclic number.

It is not a de Polignac number, because 76441999 - 2²⁵ = 42887567 is a prime.

It is a super-2 number, since 2×76441999² = 11686758422232002, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76441969) 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, 284037 + ... + 284305.

It is an arithmetic number, because the mean of its divisors is an integer number (5103000).

Almost surely, 2^76441999 is an apocalyptic number.

76441999 is a deficient number, since it is larger than the sum of its proper divisors (5206001).

76441999 is a wasteful number, since it uses less digits than its factorization.

76441999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 578.

The product of its digits is 489888, while the sum is 49.

The square root of 76441999 is about 8743.1115170745. Note that the first 3 decimals coincide. The cubic root of 76441999 is about 424.4019250834.

The spelling of 76441999 in words is "seventy-six million, four hundred forty-one thousand, nine hundred ninety-nine".