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72516074 = 259614543
BaseRepresentation
bin1000101001010…
…00000111101010
312001110012100112
410110220013222
5122031003244
611110134322
71540243061
oct424500752
9161405315
1072516074
1137a2a444
12203513a2
131203cb27
1498b91d8
15657639e
hex45281ea

72516074 has 8 divisors (see below), whose sum is σ = 110617920. Its totient is φ = 35643436.

The previous prime is 72516053. The next prime is 72516097. The reversal of 72516074 is 47061527.

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

It is a self number, because there is not a number n which added to its sum of digits gives 72516074.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 307154 + ... + 307389.

It is an arithmetic number, because the mean of its divisors is an integer number (13827240).

Almost surely, 272516074 is an apocalyptic number.

72516074 is a deficient number, since it is larger than the sum of its proper divisors (38101846).

72516074 is a wasteful number, since it uses less digits than its factorization.

72516074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 614604.

The product of its (nonzero) digits is 11760, while the sum is 32.

The square root of 72516074 is about 8515.6370284319. The cubic root of 72516074 is about 417.0083595715.

The spelling of 72516074 in words is "seventy-two million, five hundred sixteen thousand, seventy-four".

Divisors: 1 2 59 118 614543 1229086 36258037 72516074