70320501 has 16 divisors (see below), whose sum is σ = 109662400. Its totient is φ = 44412624.

The previous prime is 70320451. The next prime is 70320511. The reversal of 70320501 is 10502307.

It is not a de Polignac number, because 70320501 - 2¹⁵ = 70287733 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70320511) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 68026 + ... + 69051.

It is an arithmetic number, because the mean of its divisors is an integer number (6853900).

Almost surely, 2^70320501 is an apocalyptic number.

It is an amenable number.

70320501 is a deficient number, since it is larger than the sum of its proper divisors (39341899).

70320501 is a wasteful number, since it uses less digits than its factorization.

70320501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137105 (or 137099 counting only the distinct ones).

The product of its (nonzero) digits is 210, while the sum is 18.

The square root of 70320501 is about 8385.7319895165. The cubic root of 70320501 is about 412.7565610558.

Adding to 70320501 its reverse (10502307), we get a palindrome (80822808).

The spelling of 70320501 in words is "seventy million, three hundred twenty thousand, five hundred one".