406748007 has 8 divisors (see below), whose sum is σ = 602589680. Its totient is φ = 271165320.

The previous prime is 406747973. The next prime is 406748033. The reversal of 406748007 is 700847604.

It is a happy number.

It is not a de Polignac number, because 406748007 - 2²⁰ = 405699431 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (406748047) 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, 7532344 + ... + 7532397.

It is an arithmetic number, because the mean of its divisors is an integer number (75323710).

Almost surely, 2^406748007 is an apocalyptic number.

406748007 is a deficient number, since it is larger than the sum of its proper divisors (195841673).

406748007 is a wasteful number, since it uses less digits than its factorization.

406748007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15064750 (or 15064744 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 36.

The square root of 406748007 is about 20167.9946201897. The cubic root of 406748007 is about 740.9265281445.

The spelling of 406748007 in words is "four hundred six million, seven hundred forty-eight thousand, seven".