75831480 has 48 divisors (see below), whose sum is σ = 246453480. Its totient is φ = 20221632.

The previous prime is 75831443. The next prime is 75831493. The reversal of 75831480 is 8413857.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 104962 + ... + 105681.

Almost surely, 2^75831480 is an apocalyptic number.

It is an amenable number.

75831480 is an abundant number, since it is smaller than the sum of its proper divisors (170622000).

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

75831480 is a wasteful number, since it uses less digits than its factorization.

75831480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210660 (or 210653 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 36.

The square root of 75831480 is about 8708.1272383906. The cubic root of 75831480 is about 423.2690473541.

The spelling of 75831480 in words is "seventy-five million, eight hundred thirty-one thousand, four hundred eighty".