7402407066 has 24 divisors (see below), whose sum is σ = 16069235520. Its totient is φ = 2462747976.

The previous prime is 7402406993. The next prime is 7402407091. The reversal of 7402407066 is 6607042047.

It is a self number, because there is not a number n which added to its sum of digits gives 7402407066.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 383746 + ... + 402573.

It is an arithmetic number, because the mean of its divisors is an integer number (669551480).

Almost surely, 2^7402407066 is an apocalyptic number.

7402407066 is an abundant number, since it is smaller than the sum of its proper divisors (8666828454).

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

7402407066 is a wasteful number, since it uses less digits than its factorization.

7402407066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 786850 (or 786847 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 36.

The square root of 7402407066 is about 86037.2423198233. The cubic root of 7402407066 is about 1948.9064274633.

The spelling of 7402407066 in words is "seven billion, four hundred two million, four hundred seven thousand, sixty-six".