742278480 has 80 divisors (see below), whose sum is σ = 2436433344. Its totient is φ = 186296320.

The previous prime is 742278479. The next prime is 742278499. The reversal of 742278480 is 84872247.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×742278480² = 1101954683742220800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 86886 + ... + 95045.

Almost surely, 2^742278480 is an apocalyptic number.

It is an amenable number.

742278480 is an abundant number, since it is smaller than the sum of its proper divisors (1694154864).

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

742278480 is a wasteful number, since it uses less digits than its factorization.

742278480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181964 (or 181958 counting only the distinct ones).

The product of its (nonzero) digits is 200704, while the sum is 42.

The square root of 742278480 is about 27244.7881254379. The cubic root of 742278480 is about 905.4315494203.

The spelling of 742278480 in words is "seven hundred forty-two million, two hundred seventy-eight thousand, four hundred eighty".