7900120274 has 4 divisors (see below), whose sum is σ = 11850180414. Its totient is φ = 3950060136.

The previous prime is 7900120273. The next prime is 7900120343. The reversal of 7900120274 is 4720210097.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4720210097 = 1933 ⋅2441909.

It can be written as a sum of positive squares in only one way, i.e., 6335364025 + 1564756249 = 79595^2 + 39557^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 7900120274.

It is not an unprimeable number, because it can be changed into a prime (7900120271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1975030067 + ... + 1975030070.

Almost surely, 2^7900120274 is an apocalyptic number.

7900120274 is a deficient number, since it is larger than the sum of its proper divisors (3950060140).

7900120274 is a wasteful number, since it uses less digits than its factorization.

7900120274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3950060139.

The product of its (nonzero) digits is 7056, while the sum is 32.

The square root of 7900120274 is about 88882.6207646917. The cubic root of 7900120274 is about 1991.6418084754.

The spelling of 7900120274 in words is "seven billion, nine hundred million, one hundred twenty thousand, two hundred seventy-four".