70802045 has 4 divisors (see below), whose sum is σ = 84962460. Its totient is φ = 56641632.

The previous prime is 70802041. The next prime is 70802089. The reversal of 70802045 is 54020807.

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 12630916 + 58171129 = 3554^2 + 7627^2 .

It is a cyclic number.

It is not a de Polignac number, because 70802045 - 2² = 70802041 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70802041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7080200 + ... + 7080209.

It is an arithmetic number, because the mean of its divisors is an integer number (21240615).

Almost surely, 2^70802045 is an apocalyptic number.

It is an amenable number.

70802045 is a deficient number, since it is larger than the sum of its proper divisors (14160415).

70802045 is a wasteful number, since it uses less digits than its factorization.

70802045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14160414.

The product of its (nonzero) digits is 2240, while the sum is 26.

The square root of 70802045 is about 8414.3951060073. The cubic root of 70802045 is about 413.6965831314.

The spelling of 70802045 in words is "seventy million, eight hundred two thousand, forty-five".