75440677672 has 16 divisors (see below), whose sum is σ = 147601326240. Its totient is φ = 36080324016.

The previous prime is 75440677667. The next prime is 75440677679. The reversal of 75440677672 is 27677604457.

It is a happy number.

It is a super-2 number, since 2×75440677672² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (75440677679) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 205001658 + ... + 205002025.

It is an arithmetic number, because the mean of its divisors is an integer number (9225082890).

Almost surely, 2^75440677672 is an apocalyptic number.

It is an amenable number.

75440677672 is a deficient number, since it is larger than the sum of its proper divisors (72160648568).

75440677672 is a wasteful number, since it uses less digits than its factorization.

75440677672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 410003712 (or 410003708 counting only the distinct ones).

The product of its (nonzero) digits is 13829760, while the sum is 55.

The spelling of 75440677672 in words is "seventy-five billion, four hundred forty million, six hundred seventy-seven thousand, six hundred seventy-two".