75484740 has 24 divisors (see below), whose sum is σ = 211357440. Its totient is φ = 20129248.

The previous prime is 75484729. The next prime is 75484753. The reversal of 75484740 is 4748457.

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, 628980 + ... + 629099.

It is an arithmetic number, because the mean of its divisors is an integer number (8806560).

Almost surely, 2^75484740 is an apocalyptic number.

It is an amenable number.

75484740 is an abundant number, since it is smaller than the sum of its proper divisors (135872700).

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

75484740 is a wasteful number, since it uses less digits than its factorization.

75484740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1258091 (or 1258089 counting only the distinct ones).

The product of its (nonzero) digits is 125440, while the sum is 39.

The square root of 75484740 is about 8688.1954397907. The cubic root of 75484740 is about 422.6229279453.

The spelling of 75484740 in words is "seventy-five million, four hundred eighty-four thousand, seven hundred forty".