71900633 has 16 divisors (see below), whose sum is σ = 87381504. Its totient is φ = 57753600.

The previous prime is 71900629. The next prime is 71900641. The reversal of 71900633 is 33600917.

It is a cyclic number.

It is not a de Polignac number, because 71900633 - 2² = 71900629 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 71900596 and 71900605.

It is not an unprimeable number, because it can be changed into a prime (71900233) 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 15 ways as a sum of consecutive naturals, for example, 29408 + ... + 31758.

It is an arithmetic number, because the mean of its divisors is an integer number (5461344).

Almost surely, 2^71900633 is an apocalyptic number.

It is an amenable number.

71900633 is a deficient number, since it is larger than the sum of its proper divisors (15480871).

71900633 is a wasteful number, since it uses less digits than its factorization.

71900633 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2632.

The product of its (nonzero) digits is 3402, while the sum is 29.

The square root of 71900633 is about 8479.4240960103. The cubic root of 71900633 is about 415.8252953075.

The spelling of 71900633 in words is "seventy-one million, nine hundred thousand, six hundred thirty-three".