6990072 has 16 divisors (see below), whose sum is σ = 17475240. Its totient is φ = 2330016.

The previous prime is 6990059. The next prime is 6990107. The reversal of 6990072 is 2700996.

It is a super-2 number, since 2×6990072² = 97722213130368, which contains 22 as substring.

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, 145603 + ... + 145650.

Almost surely, 2^6990072 is an apocalyptic number.

It is an amenable number.

6990072 is an abundant number, since it is smaller than the sum of its proper divisors (10485168).

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

6990072 is a wasteful number, since it uses less digits than its factorization.

6990072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 291262 (or 291258 counting only the distinct ones).

The product of its (nonzero) digits is 6804, while the sum is 33.

The square root of 6990072 is about 2643.8744296959. The cubic root of 6990072 is about 191.2026393898.

The spelling of 6990072 in words is "six million, nine hundred ninety thousand, seventy-two".