70672746 has 32 divisors (see below), whose sum is σ = 146419200. Its totient is φ = 22717440.

The previous prime is 70672711. The next prime is 70672747. The reversal of 70672746 is 64727607.

It is a happy number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (70672747) 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, 75610 + ... + 76538.

It is an arithmetic number, because the mean of its divisors is an integer number (4575600).

Almost surely, 2^70672746 is an apocalyptic number.

70672746 is an abundant number, since it is smaller than the sum of its proper divisors (75746454).

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

70672746 is a wasteful number, since it uses less digits than its factorization.

70672746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1374.

The product of its (nonzero) digits is 98784, while the sum is 39.

The square root of 70672746 is about 8406.7083927064. The cubic root of 70672746 is about 413.4445981822. Note that the first 3 decimals are identical.

The spelling of 70672746 in words is "seventy million, six hundred seventy-two thousand, seven hundred forty-six".