70938036 has 72 divisors (see below), whose sum is σ = 197872584. Its totient is φ = 21288960.

The previous prime is 70938029. The next prime is 70938037. The reversal of 70938036 is 63083907.

It can be written as a sum of positive squares in 4 ways, for example, as 7257636 + 63680400 = 2694^2 + 7980^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70938037) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17340 + ... + 21036.

Almost surely, 2^70938036 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 70938036, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (98936292).

70938036 is an abundant number, since it is smaller than the sum of its proper divisors (126934548).

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

70938036 is a wasteful number, since it uses less digits than its factorization.

70938036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3761 (or 3756 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 36.

The square root of 70938036 is about 8422.4720836581. The cubic root of 70938036 is about 413.9612790223.

It can be divided in two parts, 7093 and 8036, that added together give a square (15129 = 123²).

The spelling of 70938036 in words is "seventy million, nine hundred thirty-eight thousand, thirty-six".