740785920 has 432 divisors, whose sum is σ = 2863300608. Its totient is φ = 162570240.

The previous prime is 740785907. The next prime is 740785921. The reversal of 740785920 is 29587047.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (740785921) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5832897 + ... + 5833023.

Almost surely, 2^740785920 is an apocalyptic number.

740785920 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 740785920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1431650304).

740785920 is an abundant number, since it is smaller than the sum of its proper divisors (2122514688).

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

740785920 is a wasteful number, since it uses less digits than its factorization.

740785920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196 (or 175 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 42.

The square root of 740785920 is about 27217.3826809265. The cubic root of 740785920 is about 904.8242671309.

The spelling of 740785920 in words is "seven hundred forty million, seven hundred eighty-five thousand, nine hundred twenty".