742776045 has 48 divisors (see below), whose sum is σ = 1320083520. Its totient is φ = 356336640.

The previous prime is 742775983. The next prime is 742776059. The reversal of 742776045 is 540677247.

It is not a de Polignac number, because 742776045 - 2⁹ = 742775533 is a prime.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 742775988 and 742776006.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 173946 + ... + 178164.

It is an arithmetic number, because the mean of its divisors is an integer number (27501740).

Almost surely, 2^742776045 is an apocalyptic number.

It is an amenable number.

742776045 is a deficient number, since it is larger than the sum of its proper divisors (577307475).

742776045 is a wasteful number, since it uses less digits than its factorization.

742776045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4346 (or 4335 counting only the distinct ones).

The product of its (nonzero) digits is 329280, while the sum is 42.

The square root of 742776045 is about 27253.9179752196. The cubic root of 742776045 is about 905.6338142199.

The spelling of 742776045 in words is "seven hundred forty-two million, seven hundred seventy-six thousand, forty-five".