74070097920 has 1216 divisors, whose sum is σ = 338228029440. Its totient is φ = 14948499456.

The previous prime is 74070097909. The next prime is 74070097921. The reversal of 74070097920 is 2979007047.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (74070097921) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3220439029 + ... + 3220439051.

Almost surely, 2^74070097920 is an apocalyptic number.

74070097920 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 74070097920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (169114014720).

74070097920 is an abundant number, since it is smaller than the sum of its proper divisors (264157931520).

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

74070097920 is an equidigital number, since it uses as much as digits as its factorization.

74070097920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93 (or 53 counting only the distinct ones).

The product of its (nonzero) digits is 222264, while the sum is 45.

The spelling of 74070097920 in words is "seventy-four billion, seventy million, ninety-seven thousand, nine hundred twenty".