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72631074 = 2337476961
BaseRepresentation
bin1000101010001…
…00001100100010
312001200001002210
410111010030202
5122043143244
611112422550
71541232255
oct425041442
9161601083
1072631074
1137aa888a
12203a7a56
1312080289
14990909c
15659a4b9
hex4544322

72631074 has 32 divisors (see below), whose sum is σ = 152384256. Its totient is φ = 23051520.

The previous prime is 72631063. The next prime is 72631081. The reversal of 72631074 is 47013627.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6954 + ... + 13914.

It is an arithmetic number, because the mean of its divisors is an integer number (4762008).

Almost surely, 272631074 is an apocalyptic number.

72631074 is a gapful number since it is divisible by the number (74) formed by its first and last digit.

72631074 is an abundant number, since it is smaller than the sum of its proper divisors (79753182).

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

72631074 is a wasteful number, since it uses less digits than its factorization.

72631074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7050.

The product of its (nonzero) digits is 7056, while the sum is 30.

The square root of 72631074 is about 8522.3866375564. The cubic root of 72631074 is about 417.2286814515.

The spelling of 72631074 in words is "seventy-two million, six hundred thirty-one thousand, seventy-four".

Divisors: 1 2 3 6 37 47 74 94 111 141 222 282 1739 3478 5217 6961 10434 13922 20883 41766 257557 327167 515114 654334 772671 981501 1545342 1963002 12105179 24210358 36315537 72631074