742479379 has 4 divisors (see below), whose sum is σ = 742606576. Its totient is φ = 742352184.

The previous prime is 742479371. The next prime is 742479469. The reversal of 742479379 is 973974247.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 973974247 = 4027 ⋅241861.

It is a cyclic number.

It is not a de Polignac number, because 742479379 - 2³ = 742479371 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (742479371) 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, 54399 + ... + 66664.

It is an arithmetic number, because the mean of its divisors is an integer number (185651644).

Almost surely, 2^742479379 is an apocalyptic number.

742479379 is a deficient number, since it is larger than the sum of its proper divisors (127197).

742479379 is a wasteful number, since it uses less digits than its factorization.

742479379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127196.

The product of its digits is 2667168, while the sum is 52.

The square root of 742479379 is about 27248.4748013536. The cubic root of 742479379 is about 905.5132276088.

The spelling of 742479379 in words is "seven hundred forty-two million, four hundred seventy-nine thousand, three hundred seventy-nine".