761872101 has 4 divisors (see below), whose sum is σ = 1015829472. Its totient is φ = 507914732.

The previous prime is 761872099. The next prime is 761872109. The reversal of 761872101 is 101278167.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 761872101 - 2¹ = 761872099 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (761872109) 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, 126978681 + ... + 126978686.

It is an arithmetic number, because the mean of its divisors is an integer number (253957368).

Almost surely, 2^761872101 is an apocalyptic number.

It is an amenable number.

761872101 is a deficient number, since it is larger than the sum of its proper divisors (253957371).

761872101 is a wasteful number, since it uses less digits than its factorization.

761872101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253957370.

The product of its (nonzero) digits is 4704, while the sum is 33.

The square root of 761872101 is about 27602.0307405089. The cubic root of 761872101 is about 913.3292297251.

The spelling of 761872101 in words is "seven hundred sixty-one million, eight hundred seventy-two thousand, one hundred one".