76400045 has 8 divisors (see below), whose sum is σ = 96505440. Its totient is φ = 57903120.

The previous prime is 76400017. The next prime is 76400053. The reversal of 76400045 is 54000467.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 76400045 - 2⁸ = 76399789 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 76399987 and 76400023.

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, 402011 + ... + 402200.

It is an arithmetic number, because the mean of its divisors is an integer number (12063180).

Almost surely, 2^76400045 is an apocalyptic number.

It is an amenable number.

76400045 is a deficient number, since it is larger than the sum of its proper divisors (20105395).

76400045 is a wasteful number, since it uses less digits than its factorization.

76400045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 804235.

The product of its (nonzero) digits is 3360, while the sum is 26.

The square root of 76400045 is about 8740.7119275263. The cubic root of 76400045 is about 424.3242687471.

The spelling of 76400045 in words is "seventy-six million, four hundred thousand, forty-five".