742318051 has 4 divisors (see below), whose sum is σ = 745057504. Its totient is φ = 739578600.

The previous prime is 742318021. The next prime is 742318061. The reversal of 742318051 is 150813247.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 742318051 - 2⁹ = 742317539 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (742318021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1369320 + ... + 1369861.

It is an arithmetic number, because the mean of its divisors is an integer number (186264376).

Almost surely, 2^742318051 is an apocalyptic number.

742318051 is a deficient number, since it is larger than the sum of its proper divisors (2739453).

742318051 is a wasteful number, since it uses less digits than its factorization.

742318051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2739452.

The product of its (nonzero) digits is 6720, while the sum is 31.

The square root of 742318051 is about 27245.5143280504. The cubic root of 742318051 is about 905.4476387076.

The spelling of 742318051 in words is "seven hundred forty-two million, three hundred eighteen thousand, fifty-one".