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72696363 = 324232121
BaseRepresentation
bin1000101010101…
…00001000101011
312001210100122220
410111110020223
5122102240423
611114045123
71541623515
oct425241053
9161710586
1072696363
1138042943
12204197a3
13120a3bcc
149924bb5
1565ae9e3
hex455422b

72696363 has 4 divisors (see below), whose sum is σ = 96928488. Its totient is φ = 48464240.

The previous prime is 72696347. The next prime is 72696367. The reversal of 72696363 is 36369627.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 72696363 - 24 = 72696347 is a prime.

It is a super-2 number, since 2×726963632 = 10569522386855538, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (72696367) by changing a digit.

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, 12116058 + ... + 12116063.

It is an arithmetic number, because the mean of its divisors is an integer number (24232122).

Almost surely, 272696363 is an apocalyptic number.

72696363 is a deficient number, since it is larger than the sum of its proper divisors (24232125).

72696363 is a wasteful number, since it uses less digits than its factorization.

72696363 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24232124.

The product of its digits is 244944, while the sum is 42.

The square root of 72696363 is about 8526.2162182295. The cubic root of 72696363 is about 417.3536614070.

The spelling of 72696363 in words is "seventy-two million, six hundred ninety-six thousand, three hundred sixty-three".

Divisors: 1 3 24232121 72696363