74344147470 has 48 divisors (see below), whose sum is σ = 195287536080. Its totient is φ = 19620721152.

The previous prime is 74344147457. The next prime is 74344147477. The reversal of 74344147470 is 7474144347.

74344147470 is a `hidden beast` number, since 7 + 4 + 34 + 4 + 147 + 470 = 666.

It is a super-2 number, since 2×74344147470² (a number of 23 digits) contains 22 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74344147477) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4249240 + ... + 4266699.

It is an arithmetic number, because the mean of its divisors is an integer number (4068490335).

Almost surely, 2^74344147470 is an apocalyptic number.

74344147470 is an abundant number, since it is smaller than the sum of its proper divisors (120943388610).

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

74344147470 is a wasteful number, since it uses less digits than its factorization.

74344147470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8516049 (or 8516046 counting only the distinct ones).

The product of its (nonzero) digits is 1053696, while the sum is 45.

The spelling of 74344147470 in words is "seventy-four billion, three hundred forty-four million, one hundred forty-seven thousand, four hundred seventy".