7479906 has 16 divisors (see below), whose sum is σ = 17097024. Its totient is φ = 2137104.

The previous prime is 7479887. The next prime is 7479911. The reversal of 7479906 is 6099747.

It is a Harshad number since it is a multiple of its sum of digits (42), and also a Moran number because the ratio is a prime number: 178093 = 7479906 / (7 + 4 + 7 + 9 + 9 + 0 + 6).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 89005 + ... + 89088.

It is an arithmetic number, because the mean of its divisors is an integer number (1068564).

Almost surely, 2^7479906 is an apocalyptic number.

7479906 is an abundant number, since it is smaller than the sum of its proper divisors (9617118).

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

7479906 is a wasteful number, since it uses less digits than its factorization.

7479906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178105.

The product of its (nonzero) digits is 95256, while the sum is 42.

The square root of 7479906 is about 2734.9416812795. The cubic root of 7479906 is about 195.5684138172.

It can be divided in two parts, 7479 and 906, that added together give a triangular number (8385 = T₁₂₉).

The spelling of 7479906 in words is "seven million, four hundred seventy-nine thousand, nine hundred six".