734912220 has 96 divisors (see below), whose sum is σ = 2357203968. Its totient is φ = 167588352.

The previous prime is 734912203. The next prime is 734912263. The reversal of 734912220 is 22219437.

It is a super-2 number, since 2×734912220² = 1080191942210656800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 202744 + ... + 206336.

It is an arithmetic number, because the mean of its divisors is an integer number (24554208).

Almost surely, 2^734912220 is an apocalyptic number.

734912220 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 734912220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1178601984).

734912220 is an abundant number, since it is smaller than the sum of its proper divisors (1622291748).

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

734912220 is a wasteful number, since it uses less digits than its factorization.

734912220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4099 (or 4097 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 734912220 is about 27109.2644680744. The cubic root of 734912220 is about 902.4264645441.

The spelling of 734912220 in words is "seven hundred thirty-four million, nine hundred twelve thousand, two hundred twenty".