70613235 has 64 divisors (see below), whose sum is σ = 156533760. Its totient is φ = 29341440.

The previous prime is 70613209. The next prime is 70613297. The reversal of 70613235 is 53231607.

It is a happy number.

It is not a de Polignac number, because 70613235 - 2⁷ = 70613107 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 70613199 and 70613208.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 6999 + ... + 13791.

It is an arithmetic number, because the mean of its divisors is an integer number (2445840).

Almost surely, 2^70613235 is an apocalyptic number.

70613235 is an abundant number, since it is smaller than the sum of its proper divisors (85920525).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

70613235 is a wasteful number, since it uses less digits than its factorization.

70613235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6825 (or 6819 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 27.

The square root of 70613235 is about 8403.1681525482. The cubic root of 70613235 is about 413.3285166076.

It can be divided in two parts, 7061 and 3235, that added together give a triangular number (10296 = T₁₄₃).

The spelling of 70613235 in words is "seventy million, six hundred thirteen thousand, two hundred thirty-five".