70320977 has 8 divisors (see below), whose sum is σ = 72095232. Its totient is φ = 68558400.

The previous prime is 70320967. The next prime is 70321019. The reversal of 70320977 is 77902307.

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

It is a cyclic number.

It is not a de Polignac number, because 70320977 - 2¹⁴ = 70304593 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70320907) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9977 + ... + 15497.

It is an arithmetic number, because the mean of its divisors is an integer number (9011904).

Almost surely, 2^70320977 is an apocalyptic number.

It is an amenable number.

70320977 is a deficient number, since it is larger than the sum of its proper divisors (1774255).

70320977 is a wasteful number, since it uses less digits than its factorization.

70320977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5839.

The product of its (nonzero) digits is 18522, while the sum is 35.

The square root of 70320977 is about 8385.7603710099. The cubic root of 70320977 is about 412.7574923711.

The spelling of 70320977 in words is "seventy million, three hundred twenty thousand, nine hundred seventy-seven".