90734977 has 4 divisors (see below), whose sum is σ = 94680000. Its totient is φ = 86789956.

The previous prime is 90734971. The next prime is 90734983. The reversal of 90734977 is 77943709.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (90734971) and next prime (90734983).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-90734977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (90734971) 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, 1972477 + ... + 1972522.

It is an arithmetic number, because the mean of its divisors is an integer number (23670000).

Almost surely, 2^90734977 is an apocalyptic number.

It is an amenable number.

90734977 is a deficient number, since it is larger than the sum of its proper divisors (3945023).

90734977 is a wasteful number, since it uses less digits than its factorization.

90734977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3945022.

The product of its (nonzero) digits is 333396, while the sum is 46.

The square root of 90734977 is about 9525.4909059848. The cubic root of 90734977 is about 449.3570686895.

The spelling of 90734977 in words is "ninety million, seven hundred thirty-four thousand, nine hundred seventy-seven".