90624743 has 4 divisors (see below), whose sum is σ = 98863368. Its totient is φ = 82386120.

The previous prime is 90624733. The next prime is 90624769. The reversal of 90624743 is 34742609.

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

It is a cyclic number.

It is not a de Polignac number, because 90624743 - 2⁴ = 90624727 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90624713) 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, 4119296 + ... + 4119317.

It is an arithmetic number, because the mean of its divisors is an integer number (24715842).

Almost surely, 2^90624743 is an apocalyptic number.

90624743 is a deficient number, since it is larger than the sum of its proper divisors (8238625).

90624743 is a wasteful number, since it uses less digits than its factorization.

90624743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8238624.

The product of its (nonzero) digits is 36288, while the sum is 35.

The square root of 90624743 is about 9519.7028840190. The cubic root of 90624743 is about 449.1750201855.

The spelling of 90624743 in words is "ninety million, six hundred twenty-four thousand, seven hundred forty-three".