919725464 has 32 divisors (see below), whose sum is σ = 1980768000. Its totient is φ = 392182560.

The previous prime is 919725463. The next prime is 919725511. The reversal of 919725464 is 464527919.

It is a super-3 number, since 3×919725464³ (a number of 28 digits) contains 333 as substring.

It is a hoax number, since the sum of its digits (47) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (919725463) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30122 + ... + 52409.

It is an arithmetic number, because the mean of its divisors is an integer number (61899000).

Almost surely, 2^919725464 is an apocalyptic number.

It is an amenable number.

919725464 is an abundant number, since it is smaller than the sum of its proper divisors (1061042536).

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

919725464 is a wasteful number, since it uses less digits than its factorization.

919725464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82743 (or 82739 counting only the distinct ones).

The product of its digits is 544320, while the sum is 47.

The square root of 919725464 is about 30326.9758465957. The cubic root of 919725464 is about 972.4920736066.

The spelling of 919725464 in words is "nine hundred nineteen million, seven hundred twenty-five thousand, four hundred sixty-four".