7900070 has 16 divisors (see below), whose sum is σ = 15056928. Its totient is φ = 2974080.

The previous prime is 7900043. The next prime is 7900073. The reversal of 7900070 is 700097.

7900070 = T₁₇₀ + T₁₇₁ + ... + T₃₇₃.

It is a super-2 number, since 2×7900070² = 124822212009800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7900073) 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, 23066 + ... + 23405.

It is an arithmetic number, because the mean of its divisors is an integer number (941058).

Almost surely, 2^7900070 is an apocalyptic number.

7900070 is a deficient number, since it is larger than the sum of its proper divisors (7156858).

7900070 is a wasteful number, since it uses less digits than its factorization.

7900070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46495.

The product of its (nonzero) digits is 441, while the sum is 23.

The square root of 7900070 is about 2810.7063169246. The cubic root of 7900070 is about 199.1637583729.

The spelling of 7900070 in words is "seven million, nine hundred thousand, seventy".