70397811 has 12 divisors (see below), whose sum is σ = 110930040. Its totient is φ = 42665280.

The previous prime is 70397809. The next prime is 70397813. The reversal of 70397811 is 11879307.

It is an interprime number because it is at equal distance from previous prime (70397809) and next prime (70397813).

It is not a de Polignac number, because 70397811 - 2¹ = 70397809 is a prime.

It is not an unprimeable number, because it can be changed into a prime (70397813) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 355446 + ... + 355643.

It is an arithmetic number, because the mean of its divisors is an integer number (9244170).

Almost surely, 2^70397811 is an apocalyptic number.

70397811 is a deficient number, since it is larger than the sum of its proper divisors (40532229).

70397811 is a wasteful number, since it uses less digits than its factorization.

70397811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 711106 (or 711103 counting only the distinct ones).

The product of its (nonzero) digits is 10584, while the sum is 36.

The square root of 70397811 is about 8390.3403387467. The cubic root of 70397811 is about 412.9077664769.

The spelling of 70397811 in words is "seventy million, three hundred ninety-seven thousand, eight hundred eleven".