70321932 has 60 divisors (see below), whose sum is σ = 185391360. Its totient is φ = 23242464.

The previous prime is 70321921. The next prime is 70321967. The reversal of 70321932 is 23912307.

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 = 70321896 and 70321905.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 40294 + ... + 42002.

It is an arithmetic number, because the mean of its divisors is an integer number (3089856).

Almost surely, 2^70321932 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70321932, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (92695680).

70321932 is an abundant number, since it is smaller than the sum of its proper divisors (115069428).

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

70321932 is a wasteful number, since it uses less digits than its factorization.

70321932 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1852 (or 1841 counting only the distinct ones).

The product of its (nonzero) digits is 2268, while the sum is 27.

The square root of 70321932 is about 8385.8173125820. The cubic root of 70321932 is about 412.7593608587.

It can be divided in two parts, 70321 and 932, that added together give a triangular number (71253 = T₃₇₇).

The spelling of 70321932 in words is "seventy million, three hundred twenty-one thousand, nine hundred thirty-two".