90073379 has 4 divisors (see below), whose sum is σ = 98261880. Its totient is φ = 81884880.

The previous prime is 90073367. The next prime is 90073381. The reversal of 90073379 is 97337009.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 90073379 - 2⁴ = 90073363 is a prime.

It is a super-2 number, since 2×90073379² = 16226427208955282, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (90073309) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4094234 + ... + 4094255.

It is an arithmetic number, because the mean of its divisors is an integer number (24565470).

Almost surely, 2^90073379 is an apocalyptic number.

90073379 is a deficient number, since it is larger than the sum of its proper divisors (8188501).

90073379 is a wasteful number, since it uses less digits than its factorization.

90073379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8188500.

The product of its (nonzero) digits is 35721, while the sum is 38.

The square root of 90073379 is about 9490.6996054032. The cubic root of 90073379 is about 448.2622345331.

The spelling of 90073379 in words is "ninety million, seventy-three thousand, three hundred seventy-nine".