7900651 has 4 divisors (see below), whose sum is σ = 8618904. Its totient is φ = 7182400.

The previous prime is 7900609. The next prime is 7900663. The reversal of 7900651 is 1560097.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 7900651 - 2¹¹ = 7898603 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7904651) 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, 359110 + ... + 359131.

It is an arithmetic number, because the mean of its divisors is an integer number (2154726).

Almost surely, 2^7900651 is an apocalyptic number.

7900651 is a deficient number, since it is larger than the sum of its proper divisors (718253).

7900651 is a wasteful number, since it uses less digits than its factorization.

7900651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 718252.

The product of its (nonzero) digits is 1890, while the sum is 28.

The square root of 7900651 is about 2810.8096698283. The cubic root of 7900651 is about 199.1686406633.

The spelling of 7900651 in words is "seven million, nine hundred thousand, six hundred fifty-one".