739980245 has 4 divisors (see below), whose sum is σ = 887976300. Its totient is φ = 591984192.

The previous prime is 739980217. The next prime is 739980257. The reversal of 739980245 is 542089937.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 393387556 + 346592689 = 19834^2 + 18617^2 .

It is a cyclic number.

It is not a de Polignac number, because 739980245 - 2²⁸ = 471544789 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 739980245.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73998020 + ... + 73998029.

It is an arithmetic number, because the mean of its divisors is an integer number (221994075).

Almost surely, 2^739980245 is an apocalyptic number.

It is an amenable number.

739980245 is a deficient number, since it is larger than the sum of its proper divisors (147996055).

739980245 is a wasteful number, since it uses less digits than its factorization.

739980245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147996054.

The product of its (nonzero) digits is 544320, while the sum is 47.

The square root of 739980245 is about 27202.5779109260. The cubic root of 739980245 is about 904.4961207146.

The spelling of 739980245 in words is "seven hundred thirty-nine million, nine hundred eighty thousand, two hundred forty-five".