742177086 has 32 divisors (see below), whose sum is σ = 1698305280. Its totient is φ = 211813056.

The previous prime is 742177063. The next prime is 742177099. The reversal of 742177086 is 680771247.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29925 + ... + 48783.

It is an arithmetic number, because the mean of its divisors is an integer number (53072040).

Almost surely, 2^742177086 is an apocalyptic number.

742177086 is an abundant number, since it is smaller than the sum of its proper divisors (956128194).

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

742177086 is a wasteful number, since it uses less digits than its factorization.

742177086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19808.

The product of its (nonzero) digits is 131712, while the sum is 42.

The square root of 742177086 is about 27242.9272656225. The cubic root of 742177086 is about 905.3903207308.

The spelling of 742177086 in words is "seven hundred forty-two million, one hundred seventy-seven thousand, eighty-six".