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672874396 = 221671007297
BaseRepresentation
bin101000000110110…
…011111110011100
31201220010120010221
4220012303332130
52334223440041
6150434011124
722450223635
oct5006637634
91656116127
10672874396
11315902547
12169416aa4
13a953283c
146551688c
153e1152d1
hex281b3f9c

672874396 has 12 divisors (see below), whose sum is σ = 1184582448. Its totient is φ = 334422272.

The previous prime is 672874393. The next prime is 672874403. The reversal of 672874396 is 693478276.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (672874393) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 502981 + ... + 504316.

It is an arithmetic number, because the mean of its divisors is an integer number (98715204).

Almost surely, 2672874396 is an apocalyptic number.

It is an amenable number.

672874396 is a deficient number, since it is larger than the sum of its proper divisors (511708052).

672874396 is a wasteful number, since it uses less digits than its factorization.

672874396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1007468 (or 1007466 counting only the distinct ones).

The product of its digits is 3048192, while the sum is 52.

The square root of 672874396 is about 25939.8225899870. The cubic root of 672874396 is about 876.2835674899.

The spelling of 672874396 in words is "six hundred seventy-two million, eight hundred seventy-four thousand, three hundred ninety-six".

Divisors: 1 2 4 167 334 668 1007297 2014594 4029188 168218599 336437198 672874396