90972741 has 8 divisors (see below), whose sum is σ = 127681120. Its totient is φ = 57456432.

The previous prime is 90972737. The next prime is 90972743. The reversal of 90972741 is 14727909.

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

It is not a de Polignac number, because 90972741 - 2² = 90972737 is a prime.

It is a fibodiv number, since the Fibonacci-like sequence with seeds 90972 and 741 contains 90972741 itself.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 90972741.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90972743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 797950 + ... + 798063.

It is an arithmetic number, because the mean of its divisors is an integer number (15960140).

Almost surely, 2^90972741 is an apocalyptic number.

It is an amenable number.

90972741 is a deficient number, since it is larger than the sum of its proper divisors (36708379).

90972741 is a wasteful number, since it uses less digits than its factorization.

90972741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1596035.

The product of its (nonzero) digits is 31752, while the sum is 39.

The square root of 90972741 is about 9537.9631473392. The cubic root of 90972741 is about 449.7492281794.

The spelling of 90972741 in words is "ninety million, nine hundred seventy-two thousand, seven hundred forty-one".