90725349 has 32 divisors (see below), whose sum is σ = 144111744. Its totient is φ = 50042880.

The previous prime is 90725339. The next prime is 90725351. The reversal of 90725349 is 94352709.

It is not a de Polignac number, because 90725349 - 2⁸ = 90725093 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90725329) 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, 29869 + ... + 32765.

It is an arithmetic number, because the mean of its divisors is an integer number (4503492).

Almost surely, 2^90725349 is an apocalyptic number.

It is an amenable number.

90725349 is a deficient number, since it is larger than the sum of its proper divisors (53386395).

90725349 is a wasteful number, since it uses less digits than its factorization.

90725349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2997.

The product of its (nonzero) digits is 68040, while the sum is 39.

The square root of 90725349 is about 9524.9855118000. The cubic root of 90725349 is about 449.3411741835.

The spelling of 90725349 in words is "ninety million, seven hundred twenty-five thousand, three hundred forty-nine".