70537385 has 8 divisors (see below), whose sum is σ = 85206336. Its totient is φ = 56055600.

The previous prime is 70537381. The next prime is 70537409. The reversal of 70537385 is 58373507.

It is a happy number.

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

It is not a de Polignac number, because 70537385 - 2² = 70537381 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70537381) 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, 45959 + ... + 47468.

It is an arithmetic number, because the mean of its divisors is an integer number (10650792).

Almost surely, 2^70537385 is an apocalyptic number.

It is an amenable number.

70537385 is a deficient number, since it is larger than the sum of its proper divisors (14668951).

70537385 is a wasteful number, since it uses less digits than its factorization.

70537385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93583.

The product of its (nonzero) digits is 88200, while the sum is 38.

The square root of 70537385 is about 8398.6537611691. The cubic root of 70537385 is about 413.1804697624.

The spelling of 70537385 in words is "seventy million, five hundred thirty-seven thousand, three hundred eighty-five".