64248474 has 32 divisors (see below), whose sum is σ = 137712960. Its totient is φ = 19910912.

The previous prime is 64248473. The next prime is 64248521. The reversal of 64248474 is 47484246.

It is a super-2 number, since 2×64248474² = 8255732822657352, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (64248473) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4672 + ... + 12260.

It is an arithmetic number, because the mean of its divisors is an integer number (4303530).

Almost surely, 2^64248474 is an apocalyptic number.

64248474 is an abundant number, since it is smaller than the sum of its proper divisors (73464486).

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

64248474 is a wasteful number, since it uses less digits than its factorization.

64248474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7694.

The product of its digits is 172032, while the sum is 39.

The square root of 64248474 is about 8015.5145811108. The cubic root of 64248474 is about 400.5169856933.

The spelling of 64248474 in words is "sixty-four million, two hundred forty-eight thousand, four hundred seventy-four".