75724751272 has 16 divisors (see below), whose sum is σ = 146564035200. Its totient is φ = 36641008560.

The previous prime is 75724751231. The next prime is 75724751321. The reversal of 75724751272 is 27215742757.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 152670622 + ... + 152671117.

It is an arithmetic number, because the mean of its divisors is an integer number (9160252200).

Almost surely, 2^75724751272 is an apocalyptic number.

It is an amenable number.

75724751272 is a deficient number, since it is larger than the sum of its proper divisors (70839283928).

75724751272 is a wasteful number, since it uses less digits than its factorization.

75724751272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305341776 (or 305341772 counting only the distinct ones).

The product of its digits is 1920800, while the sum is 49.

The spelling of 75724751272 in words is "seventy-five billion, seven hundred twenty-four million, seven hundred fifty-one thousand, two hundred seventy-two".