90743913 has 48 divisors (see below), whose sum is σ = 147603456. Its totient is φ = 53343360.

The previous prime is 90743911. The next prime is 90743941. The reversal of 90743913 is 31934709.

It is not a de Polignac number, because 90743913 - 2¹ = 90743911 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (90743911) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 460531 + ... + 460727.

It is an arithmetic number, because the mean of its divisors is an integer number (3075072).

Almost surely, 2^90743913 is an apocalyptic number.

90743913 is a gapful number since it is divisible by the number (93) formed by its first and last digit.

It is an amenable number.

90743913 is a deficient number, since it is larger than the sum of its proper divisors (56859543).

90743913 is a wasteful number, since it uses less digits than its factorization.

90743913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 374 (or 371 counting only the distinct ones).

The product of its (nonzero) digits is 20412, while the sum is 36.

The square root of 90743913 is about 9525.9599516269. The cubic root of 90743913 is about 449.3718197924.

The spelling of 90743913 in words is "ninety million, seven hundred forty-three thousand, nine hundred thirteen".