70273980 has 120 divisors (see below), whose sum is σ = 251985888. Its totient is φ = 16060032.

The previous prime is 70273967. The next prime is 70273981. The reversal of 70273980 is 8937207.

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 (70273981) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 8242 + ... + 14438.

Almost surely, 2^70273980 is an apocalyptic number.

70273980 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70273980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (125992944).

70273980 is an abundant number, since it is smaller than the sum of its proper divisors (181711908).

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

70273980 is a wasteful number, since it uses less digits than its factorization.

70273980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6225 (or 6214 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 36.

The square root of 70273980 is about 8382.9577119296. The cubic root of 70273980 is about 412.6655203510.

It can be divided in two parts, 70273 and 980, that added together give a triangular number (71253 = T₃₇₇).

The spelling of 70273980 in words is "seventy million, two hundred seventy-three thousand, nine hundred eighty".