90512734 has 8 divisors (see below), whose sum is σ = 146212920. Its totient is φ = 41775096.

The previous prime is 90512729. The next prime is 90512771. The reversal of 90512734 is 43721509.

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

It is a junction number, because it is equal to n+sod(n) for n = 90512696 and 90512705.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1740604 + ... + 1740655.

It is an arithmetic number, because the mean of its divisors is an integer number (18276615).

Almost surely, 2^90512734 is an apocalyptic number.

90512734 is a deficient number, since it is larger than the sum of its proper divisors (55700186).

90512734 is a wasteful number, since it uses less digits than its factorization.

90512734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3481274.

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 90512734 is about 9513.8180558596. The cubic root of 90512734 is about 448.9898890420.

The spelling of 90512734 in words is "ninety million, five hundred twelve thousand, seven hundred thirty-four".