739166442 has 64 divisors (see below), whose sum is σ = 1759795200. Its totient is φ = 202507200.

The previous prime is 739166399. The next prime is 739166453. The reversal of 739166442 is 244661937.

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

It is a junction number, because it is equal to n+sod(n) for n = 739166394 and 739166403.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 181909 + ... + 185927.

It is an arithmetic number, because the mean of its divisors is an integer number (27496800).

Almost surely, 2^739166442 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 739166442, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (879897600).

739166442 is an abundant number, since it is smaller than the sum of its proper divisors (1020628758).

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

739166442 is a wasteful number, since it uses less digits than its factorization.

739166442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4211.

The product of its digits is 217728, while the sum is 42.

The square root of 739166442 is about 27187.6155997542. The cubic root of 739166442 is about 904.1644219226.

The spelling of 739166442 in words is "seven hundred thirty-nine million, one hundred sixty-six thousand, four hundred forty-two".