7661004 has 24 divisors (see below), whose sum is σ = 19251120. Its totient is φ = 2357184.

The previous prime is 7660993. The next prime is 7661029. The reversal of 7661004 is 4001667.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24399 + ... + 24710.

It is an arithmetic number, because the mean of its divisors is an integer number (802130).

Almost surely, 2^7661004 is an apocalyptic number.

It is an amenable number.

7661004 is an abundant number, since it is smaller than the sum of its proper divisors (11590116).

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

7661004 is a wasteful number, since it uses less digits than its factorization.

7661004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49129 (or 49127 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 24.

The square root of 7661004 is about 2767.8518746494. The cubic root of 7661004 is about 197.1341644080.

It can be divided in two parts, 766 and 1004, that added together give a triangular number (1770 = T₅₉).

The spelling of 7661004 in words is "seven million, six hundred sixty-one thousand, four".