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72437342 = 237978883
BaseRepresentation
bin1000101000101…
…00111001011110
312001022012100112
410110110321132
5122020443332
611104330022
71536464405
oct424247136
9161265315
1072437342
113798627a
1220313912
1312013043
14989863c
15655cdb2
hex4514e5e

72437342 has 8 divisors (see below), whose sum is σ = 111592776. Its totient is φ = 35239752.

The previous prime is 72437341. The next prime is 72437347. The reversal of 72437342 is 24373427.

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

It is a junction number, because it is equal to n+sod(n) for n = 72437299 and 72437308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72437341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 489368 + ... + 489515.

It is an arithmetic number, because the mean of its divisors is an integer number (13949097).

Almost surely, 272437342 is an apocalyptic number.

72437342 is a deficient number, since it is larger than the sum of its proper divisors (39155434).

72437342 is a wasteful number, since it uses less digits than its factorization.

72437342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 978922.

The product of its digits is 28224, while the sum is 32.

The square root of 72437342 is about 8511.0129831883. The cubic root of 72437342 is about 416.8573871062.

The spelling of 72437342 in words is "seventy-two million, four hundred thirty-seven thousand, three hundred forty-two".

Divisors: 1 2 37 74 978883 1957766 36218671 72437342