26990724 has 12 divisors (see below), whose sum is σ = 62978384. Its totient is φ = 8996904.

The previous prime is 26990699. The next prime is 26990729. The reversal of 26990724 is 42709962.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (26990729) 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, 1124602 + ... + 1124625.

Almost surely, 2^26990724 is an apocalyptic number.

It is an amenable number.

26990724 is an abundant number, since it is smaller than the sum of its proper divisors (35987660).

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

26990724 is a wasteful number, since it uses less digits than its factorization.

26990724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2249234 (or 2249232 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 39.

The square root of 26990724 is about 5195.2597625143. The cubic root of 26990724 is about 299.9656405093.

The spelling of 26990724 in words is "twenty-six million, nine hundred ninety thousand, seven hundred twenty-four".