90754740 has 72 divisors (see below), whose sum is σ = 276083808. Its totient is φ = 24131520.

The previous prime is 90754733. The next prime is 90754759. The reversal of 90754740 is 4745709.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 90754695 and 90754704.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 102339 + ... + 103221.

Almost surely, 2^90754740 is an apocalyptic number.

90754740 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

90754740 is an abundant number, since it is smaller than the sum of its proper divisors (185329068).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

90754740 is a wasteful number, since it uses less digits than its factorization.

90754740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1469 (or 1464 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 36.

The square root of 90754740 is about 9526.5282238599. The cubic root of 90754740 is about 449.3896911663.

The spelling of 90754740 in words is "ninety million, seven hundred fifty-four thousand, seven hundred forty".