742021480 has 32 divisors (see below), whose sum is σ = 1688315400. Its totient is φ = 293472256.

The previous prime is 742021471. The next prime is 742021513. The reversal of 742021480 is 84120247.

It can be written as a sum of positive squares in 4 ways, for example, as 232074756 + 509946724 = 15234^2 + 22582^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 100657 + ... + 107776.

Almost surely, 2^742021480 is an apocalyptic number.

It is an amenable number.

742021480 is an abundant number, since it is smaller than the sum of its proper divisors (946293920).

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

742021480 is a wasteful number, since it uses less digits than its factorization.

742021480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208533 (or 208529 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 28.

The square root of 742021480 is about 27240.0712187028. The cubic root of 742021480 is about 905.3270411281.

It can be divided in two parts, 7420 and 21480, that added together give a square (28900 = 170²).

The spelling of 742021480 in words is "seven hundred forty-two million, twenty-one thousand, four hundred eighty".