1157672475 has 18 divisors (see below), whose sum is σ = 2073520436. Its totient is φ = 617425200.

The previous prime is 1157672459. The next prime is 1157672497. The reversal of 1157672475 is 5742767511.

1157672475 is a `hidden beast` number, since 1 + 1 + 576 + 7 + 2 + 4 + 75 = 666.

It is not a de Polignac number, because 1157672475 - 2⁴ = 1157672459 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1157672475.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 2572381 + ... + 2572830.

Almost surely, 2^1157672475 is an apocalyptic number.

1157672475 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1157672475 is a deficient number, since it is larger than the sum of its proper divisors (915847961).

1157672475 is a wasteful number, since it uses less digits than its factorization.

1157672475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5145227 (or 5145219 counting only the distinct ones).

The product of its digits is 411600, while the sum is 45.

The square root of 1157672475 is about 34024.5863310636. The cubic root of 1157672475 is about 1050.0143535453.

The spelling of 1157672475 in words is "one billion, one hundred fifty-seven million, six hundred seventy-two thousand, four hundred seventy-five".