7564720474 has 4 divisors (see below), whose sum is σ = 11347080714. Its totient is φ = 3782360236.

The previous prime is 7564720421. The next prime is 7564720507. The reversal of 7564720474 is 4740274657.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 6607251225 + 957469249 = 81285^2 + 30943^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1891180117 + ... + 1891180120.

Almost surely, 2^7564720474 is an apocalyptic number.

7564720474 is a deficient number, since it is larger than the sum of its proper divisors (3782360240).

7564720474 is a wasteful number, since it uses less digits than its factorization.

7564720474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3782360239.

The product of its (nonzero) digits is 1317120, while the sum is 46.

The square root of 7564720474 is about 86975.4015454945. The cubic root of 7564720474 is about 1963.0481927479.

The spelling of 7564720474 in words is "seven billion, five hundred sixty-four million, seven hundred twenty thousand, four hundred seventy-four".