740285280 has 216 divisors, whose sum is σ = 2897805456. Its totient is φ = 168583680.

The previous prime is 740285251. The next prime is 740285309. The reversal of 740285280 is 82582047.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (740285251) and next prime (740285309).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 2731545 + ... + 2731815.

It is an arithmetic number, because the mean of its divisors is an integer number (13415766).

Almost surely, 2^740285280 is an apocalyptic number.

740285280 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 740285280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1448902728).

740285280 is an abundant number, since it is smaller than the sum of its proper divisors (2157520176).

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

740285280 is a wasteful number, since it uses less digits than its factorization.

740285280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 570 (or 288 counting only the distinct ones).

The product of its (nonzero) digits is 35840, while the sum is 36.

The square root of 740285280 is about 27208.1840628881. The cubic root of 740285280 is about 904.6203875779.

The spelling of 740285280 in words is "seven hundred forty million, two hundred eighty-five thousand, two hundred eighty".