902670745 has 8 divisors (see below), whose sum is σ = 1088704584. Its totient is φ = 718470144.

The previous prime is 902670739. The next prime is 902670751. The reversal of 902670745 is 547076209.

It is an interprime number because it is at equal distance from previous prime (902670739) and next prime (902670751).

It can be written as a sum of positive squares in 4 ways, for example, as 526427136 + 376243609 = 22944^2 + 19397^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-902670745 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 902670698 and 902670707.

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 7 ways as a sum of consecutive naturals, for example, 457224 + ... + 459193.

It is an arithmetic number, because the mean of its divisors is an integer number (136088073).

Almost surely, 2^902670745 is an apocalyptic number.

It is an amenable number.

902670745 is a deficient number, since it is larger than the sum of its proper divisors (186033839).

902670745 is a wasteful number, since it uses less digits than its factorization.

902670745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 916619.

The product of its (nonzero) digits is 105840, while the sum is 40.

The square root of 902670745 is about 30044.4794429859. The cubic root of 902670745 is about 966.4434696081.

The spelling of 902670745 in words is "nine hundred two million, six hundred seventy thousand, seven hundred forty-five".