742177434 has 16 divisors (see below), whose sum is σ = 1495035360. Its totient is φ = 245612400.

The previous prime is 742177427. The next prime is 742177453. The reversal of 742177434 is 434771247.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 742177392 and 742177401.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 444117 + ... + 445784.

It is an arithmetic number, because the mean of its divisors is an integer number (93439710).

Almost surely, 2^742177434 is an apocalyptic number.

742177434 is an abundant number, since it is smaller than the sum of its proper divisors (752857926).

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

742177434 is a wasteful number, since it uses less digits than its factorization.

742177434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 890045.

The product of its digits is 131712, while the sum is 39.

The square root of 742177434 is about 27242.9336526006. The cubic root of 742177434 is about 905.3904622405.

The spelling of 742177434 in words is "seven hundred forty-two million, one hundred seventy-seven thousand, four hundred thirty-four".