3970070 has 16 divisors (see below), whose sum is σ = 7696080. Its totient is φ = 1465824.

The previous prime is 3970049. The next prime is 3970073. The reversal of 3970070 is 700793.

3970070 = 436² + 437² + ... + 455².

It is a happy number.

It is a super-2 number, since 2×3970070² = 31522911609800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3970073) 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, 15140 + ... + 15399.

It is an arithmetic number, because the mean of its divisors is an integer number (481005).

Almost surely, 2^3970070 is an apocalyptic number.

3970070 is a deficient number, since it is larger than the sum of its proper divisors (3726010).

3970070 is a wasteful number, since it uses less digits than its factorization.

3970070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30559.

The product of its (nonzero) digits is 1323, while the sum is 26.

The square root of 3970070 is about 1992.5034504362. The cubic root of 3970070 is about 158.3431892911.

The spelling of 3970070 in words is "three million, nine hundred seventy thousand, seventy".