742187490 has 32 divisors (see below), whose sum is σ = 1943182656. Its totient is φ = 179924160.

The previous prime is 742187489. The next prime is 742187527. The reversal of 742187490 is 94781247.

It is a happy number.

742187490 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1124197 + ... + 1124856.

It is an arithmetic number, because the mean of its divisors is an integer number (60724458).

Almost surely, 2^742187490 is an apocalyptic number.

742187490 is an abundant number, since it is smaller than the sum of its proper divisors (1200995166).

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

742187490 is a wasteful number, since it uses less digits than its factorization.

742187490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2249074.

The product of its (nonzero) digits is 112896, while the sum is 42.

The square root of 742187490 is about 27243.1182135966. The cubic root of 742187490 is about 905.3945513639.

The spelling of 742187490 in words is "seven hundred forty-two million, one hundred eighty-seven thousand, four hundred ninety".