742747860 has 96 divisors (see below), whose sum is σ = 2326329600. Its totient is φ = 196732800.

The previous prime is 742747843. The next prime is 742747871. The reversal of 742747860 is 68747247.

742747860 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

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, 76986 + ... + 86094.

It is an arithmetic number, because the mean of its divisors is an integer number (24232600).

Almost surely, 2^742747860 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 742747860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1163164800).

742747860 is an abundant number, since it is smaller than the sum of its proper divisors (1583581740).

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

742747860 is a wasteful number, since it uses less digits than its factorization.

742747860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9278 (or 9270 counting only the distinct ones).

The product of its (nonzero) digits is 526848, while the sum is 45.

The square root of 742747860 is about 27253.4008886964. The cubic root of 742747860 is about 905.6223591691.

The spelling of 742747860 in words is "seven hundred forty-two million, seven hundred forty-seven thousand, eight hundred sixty".