70876945 has 4 divisors (see below), whose sum is σ = 85052340. Its totient is φ = 56701552.

The previous prime is 70876931. The next prime is 70876963. The reversal of 70876945 is 54967807.

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 48664576 + 22212369 = 6976^2 + 4713^2 .

It is a cyclic number.

It is not a de Polignac number, because 70876945 - 2⁵ = 70876913 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 70876895 and 70876904.

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, 7087690 + ... + 7087699.

It is an arithmetic number, because the mean of its divisors is an integer number (21263085).

Almost surely, 2^70876945 is an apocalyptic number.

It is an amenable number.

70876945 is a deficient number, since it is larger than the sum of its proper divisors (14175395).

70876945 is a wasteful number, since it uses less digits than its factorization.

70876945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14175394.

The product of its (nonzero) digits is 423360, while the sum is 46.

The square root of 70876945 is about 8418.8446356968. The cubic root of 70876945 is about 413.8424120363.

The spelling of 70876945 in words is "seventy million, eight hundred seventy-six thousand, nine hundred forty-five".