740337920 has 144 divisors (see below), whose sum is σ = 2066238720. Its totient is φ = 248881152.

The previous prime is 740337893. The next prime is 740337929. The reversal of 740337920 is 29733047.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is not an unprimeable number, because it can be changed into a prime (740337929) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 474101 + ... + 475659.

It is an arithmetic number, because the mean of its divisors is an integer number (14348880).

Almost surely, 2^740337920 is an apocalyptic number.

740337920 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 740337920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1033119360).

740337920 is an abundant number, since it is smaller than the sum of its proper divisors (1325900800).

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

740337920 is a wasteful number, since it uses less digits than its factorization.

740337920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1640 (or 1626 counting only the distinct ones).

The product of its (nonzero) digits is 31752, while the sum is 35.

The square root of 740337920 is about 27209.1514016884. The cubic root of 740337920 is about 904.6418289014.

The spelling of 740337920 in words is "seven hundred forty million, three hundred thirty-seven thousand, nine hundred twenty".