70486537 has 16 divisors (see below), whose sum is σ = 79280640. Its totient is φ = 62121600.

The previous prime is 70486531. The next prime is 70486543. The reversal of 70486537 is 73568407.

It is the 3428-th star number.

It is an interprime number because it is at equal distance from previous prime (70486531) and next prime (70486543).

It is a cyclic number.

It is not a de Polignac number, because 70486537 - 2¹⁵ = 70453769 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 70486537.

It is not an unprimeable number, because it can be changed into a prime (70486531) 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, 48264 + ... + 49702.

It is an arithmetic number, because the mean of its divisors is an integer number (4955040).

Almost surely, 2^70486537 is an apocalyptic number.

It is an amenable number.

70486537 is a deficient number, since it is larger than the sum of its proper divisors (8794103).

70486537 is a wasteful number, since it uses less digits than its factorization.

70486537 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1584.

The product of its (nonzero) digits is 141120, while the sum is 40.

The square root of 70486537 is about 8395.6260636119. The cubic root of 70486537 is about 413.0811633172.

The spelling of 70486537 in words is "seventy million, four hundred eighty-six thousand, five hundred thirty-seven".