7894270746 has 48 divisors (see below), whose sum is σ = 18514771200. Its totient is φ = 2492921448.

The previous prime is 7894270733. The next prime is 7894270751. The reversal of 7894270746 is 6470724987.

It is a super-2 number, since 2×7894270746² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 7894270692 and 7894270701.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 182986 + ... + 221973.

It is an arithmetic number, because the mean of its divisors is an integer number (385724400).

Almost surely, 2^7894270746 is an apocalyptic number.

7894270746 is an abundant number, since it is smaller than the sum of its proper divisors (10620500454).

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

7894270746 is a wasteful number, since it uses less digits than its factorization.

7894270746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 405008 (or 404983 counting only the distinct ones).

The product of its (nonzero) digits is 4741632, while the sum is 54.

The square root of 7894270746 is about 88849.7087558536. The cubic root of 7894270746 is about 1991.1501264629.

The spelling of 7894270746 in words is "seven billion, eight hundred ninety-four million, two hundred seventy thousand, seven hundred forty-six".