742023745 has 8 divisors (see below), whose sum is σ = 893715840. Its totient is φ = 591427440.

The previous prime is 742023697. The next prime is 742023749. The reversal of 742023745 is 547320247.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 742023745 - 2¹¹ = 742021697 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 742023745.

It is not an unprimeable number, because it can be changed into a prime (742023749) 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, 272455 + ... + 275164.

It is an arithmetic number, because the mean of its divisors is an integer number (111714480).

Almost surely, 2^742023745 is an apocalyptic number.

It is an amenable number.

742023745 is a deficient number, since it is larger than the sum of its proper divisors (151692095).

742023745 is a wasteful number, since it uses less digits than its factorization.

742023745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 547895.

The product of its (nonzero) digits is 47040, while the sum is 34.

The square root of 742023745 is about 27240.1127934522. The cubic root of 742023745 is about 905.3279622890.

The spelling of 742023745 in words is "seven hundred forty-two million, twenty-three thousand, seven hundred forty-five".