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72607974 = 2312101329
BaseRepresentation
bin1000101001111…
…10100011100110
312001121212102020
410110332203212
5122041423344
611112124010
71541105025
oct424764346
9161555366
1072607974
1137a9249a
1220396606
13120728ca
1499008bc
156593719
hex453e8e6

72607974 has 8 divisors (see below), whose sum is σ = 145215960. Its totient is φ = 24202656.

The previous prime is 72607973. The next prime is 72607979. The reversal of 72607974 is 47970627.

It is a sphenic number, since it is the product of 3 distinct primes.

72607974 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72607973) 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, 6050659 + ... + 6050670.

It is an arithmetic number, because the mean of its divisors is an integer number (18151995).

Almost surely, 272607974 is an apocalyptic number.

72607974 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

72607974 is a wasteful number, since it uses less digits than its factorization.

72607974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12101334.

The product of its (nonzero) digits is 148176, while the sum is 42.

The square root of 72607974 is about 8521.0312756145. The cubic root of 72607974 is about 417.1844441668.

The spelling of 72607974 in words is "seventy-two million, six hundred seven thousand, nine hundred seventy-four".

Divisors: 1 2 3 6 12101329 24202658 36303987 72607974