7493005404 has 18 divisors (see below), whose sum is σ = 18940652640. Its totient is φ = 2497668456.

The previous prime is 7493005349. The next prime is 7493005417. The reversal of 7493005404 is 4045003947.

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×7493005404² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 208139039 = 7493005404 / (7 + 4 + 9 + 3 + 0 + 0 + 5 + 4 + 0 + 4).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 104069484 + ... + 104069555.

It is an arithmetic number, because the mean of its divisors is an integer number (1052258480).

Almost surely, 2^7493005404 is an apocalyptic number.

It is an amenable number.

7493005404 is an abundant number, since it is smaller than the sum of its proper divisors (11447647236).

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

7493005404 is a wasteful number, since it uses less digits than its factorization.

7493005404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208139049 (or 208139044 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 36.

The square root of 7493005404 is about 86562.1476397161. The cubic root of 7493005404 is about 1956.8251220398.

The spelling of 7493005404 in words is "seven billion, four hundred ninety-three million, five thousand, four hundred four".