740724408 has 48 divisors (see below), whose sum is σ = 2124139680. Its totient is φ = 232383744.

The previous prime is 740724401. The next prime is 740724421. The reversal of 740724408 is 804427047.

740724408 is a `hidden beast` number, since 7 + 407 + 244 + 0 + 8 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (740724401) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 301360 + ... + 303807.

It is an arithmetic number, because the mean of its divisors is an integer number (44252910).

Almost surely, 2^740724408 is an apocalyptic number.

It is an amenable number.

740724408 is an abundant number, since it is smaller than the sum of its proper divisors (1383415272).

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

740724408 is a wasteful number, since it uses less digits than its factorization.

740724408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 605196 (or 605189 counting only the distinct ones).

The product of its (nonzero) digits is 50176, while the sum is 36.

The square root of 740724408 is about 27216.2526443300. The cubic root of 740724408 is about 904.7992220675.

The spelling of 740724408 in words is "seven hundred forty million, seven hundred twenty-four thousand, four hundred eight".