749423442 has 16 divisors (see below), whose sum is σ = 1499352480. Its totient is φ = 249723552.

The previous prime is 749423407. The next prime is 749423447. The reversal of 749423442 is 244324947.

749423442 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 749423442.

It is not an unprimeable number, because it can be changed into a prime (749423447) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 208 + ... + 38715.

It is an arithmetic number, because the mean of its divisors is an integer number (93709530).

Almost surely, 2^749423442 is an apocalyptic number.

749423442 is an abundant number, since it is smaller than the sum of its proper divisors (749929038).

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

749423442 is a wasteful number, since it uses less digits than its factorization.

749423442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42137.

The product of its digits is 193536, while the sum is 39.

The square root of 749423442 is about 27375.5993906983. The cubic root of 749423442 is about 908.3274199729.

The spelling of 749423442 in words is "seven hundred forty-nine million, four hundred twenty-three thousand, four hundred forty-two".