742943490 has 16 divisors (see below), whose sum is σ = 1783064448. Its totient is φ = 198118256.

The previous prime is 742943477. The next prime is 742943501. The reversal of 742943490 is 94349247.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12382362 + ... + 12382421.

It is an arithmetic number, because the mean of its divisors is an integer number (111441528).

Almost surely, 2^742943490 is an apocalyptic number.

742943490 is an abundant number, since it is smaller than the sum of its proper divisors (1040120958).

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

742943490 is a wasteful number, since it uses less digits than its factorization.

742943490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24764793.

The product of its (nonzero) digits is 217728, while the sum is 42.

The square root of 742943490 is about 27256.9897457515. The cubic root of 742943490 is about 905.7018618552.

The spelling of 742943490 in words is "seven hundred forty-two million, nine hundred forty-three thousand, four hundred ninety".