990702537734 has 16 divisors (see below), whose sum is σ = 1828989300768. Its totient is φ = 391926278592.

The previous prime is 990702537733. The next prime is 990702537761. The reversal of 990702537734 is 437735207099.

It is a self number, because there is not a number n which added to its sum of digits gives 990702537734.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (990702537733) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2721710087 + ... + 2721710450.

It is an arithmetic number, because the mean of its divisors is an integer number (114311831298).

Almost surely, 2^990702537734 is an apocalyptic number.

990702537734 is a deficient number, since it is larger than the sum of its proper divisors (838286763034).

990702537734 is a wasteful number, since it uses less digits than its factorization.

990702537734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5443420559.

The product of its (nonzero) digits is 10001880, while the sum is 56.

The spelling of 990702537734 in words is "nine hundred ninety billion, seven hundred two million, five hundred thirty-seven thousand, seven hundred thirty-four".