740346880 has 264 divisors, whose sum is σ = 2234636208. Its totient is φ = 233275392.

The previous prime is 740346869. The next prime is 740346899. The reversal of 740346880 is 88643047.

It is a super-2 number, since 2×740346880² = 1096227005451468800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3261327 + ... + 3261553.

Almost surely, 2^740346880 is an apocalyptic number.

740346880 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 740346880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1117318104).

740346880 is an abundant number, since it is smaller than the sum of its proper divisors (1494289328).

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

740346880 is a wasteful number, since it uses less digits than its factorization.

740346880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 279 (or 254 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 40.

The square root of 740346880 is about 27209.3160516761. The cubic root of 740346880 is about 904.6454783872.

The spelling of 740346880 in words is "seven hundred forty million, three hundred forty-six thousand, eight hundred eighty".