7400449575 has 72 divisors (see below), whose sum is σ = 13880583808. Its totient is φ = 3908256480.

The previous prime is 7400449561. The next prime is 7400449619. The reversal of 7400449575 is 5759440047.

7400449575 is a `hidden beast` number, since 74 + 0 + 0 + 4 + 4 + 9 + 575 = 666.

It is not a de Polignac number, because 7400449575 - 2⁴ = 7400449559 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 7400449575.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 619812 + ... + 631638.

Almost surely, 2^7400449575 is an apocalyptic number.

7400449575 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

7400449575 is a deficient number, since it is larger than the sum of its proper divisors (6480134233).

7400449575 is a wasteful number, since it uses less digits than its factorization.

7400449575 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11955 (or 11938 counting only the distinct ones).

The product of its (nonzero) digits is 705600, while the sum is 45.

The square root of 7400449575 is about 86025.8657323482. The cubic root of 7400449575 is about 1948.7346228470.

The spelling of 7400449575 in words is "seven billion, four hundred million, four hundred forty-nine thousand, five hundred seventy-five".