925742520 has 224 divisors, whose sum is σ = 3187188000. Its totient is φ = 241802496.

The previous prime is 925742501. The next prime is 925742579. The reversal of 925742520 is 25247529.

It is a happy number.

925742520 is a `hidden beast` number, since 92 + 5 + 7 + 42 + 520 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 1545181 + ... + 1545779.

Almost surely, 2^925742520 is an apocalyptic number.

925742520 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 925742520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1593594000).

925742520 is an abundant number, since it is smaller than the sum of its proper divisors (2261445480).

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

925742520 is a wasteful number, since it uses less digits than its factorization.

925742520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 681 (or 662 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 36.

The square root of 925742520 is about 30426.0171563746. The cubic root of 925742520 is about 974.6082212931.

The spelling of 925742520 in words is "nine hundred twenty-five million, seven hundred forty-two thousand, five hundred twenty".