90745379 has 8 divisors (see below), whose sum is σ = 94932000. Its totient is φ = 86629312.

The previous prime is 90745331. The next prime is 90745397. The reversal of 90745379 is 97354709.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 90745379 - 2¹⁶ = 90679843 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (90745279) 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, 14999 + ... + 20160.

It is an arithmetic number, because the mean of its divisors is an integer number (11866500).

Almost surely, 2^90745379 is an apocalyptic number.

90745379 is a deficient number, since it is larger than the sum of its proper divisors (4186621).

90745379 is a wasteful number, since it uses less digits than its factorization.

90745379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35277.

The product of its (nonzero) digits is 238140, while the sum is 44.

The square root of 90745379 is about 9526.0368989418. The cubic root of 90745379 is about 449.3742396996.

The spelling of 90745379 in words is "ninety million, seven hundred forty-five thousand, three hundred seventy-nine".