90725514 has 64 divisors (see below), whose sum is σ = 207152640. Its totient is φ = 26237120.

The previous prime is 90725489. The next prime is 90725519. The reversal of 90725514 is 41552709.

It is a super-2 number, since 2×90725514² = 16462237781128392, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (90725519) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 204577 + ... + 205019.

It is an arithmetic number, because the mean of its divisors is an integer number (3236760).

Almost surely, 2^90725514 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 90725514, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (103576320).

90725514 is an abundant number, since it is smaller than the sum of its proper divisors (116427126).

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

90725514 is a wasteful number, since it uses less digits than its factorization.

90725514 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 595.

The product of its (nonzero) digits is 12600, while the sum is 33.

The square root of 90725514 is about 9524.9941732266. The cubic root of 90725514 is about 449.3414465853.

The spelling of 90725514 in words is "ninety million, seven hundred twenty-five thousand, five hundred fourteen".