83072461 has 4 divisors (see below), whose sum is σ = 83582272. Its totient is φ = 82562652.

The previous prime is 83072447. The next prime is 83072513. The reversal of 83072461 is 16427038.

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 83072461 - 2¹³ = 83064269 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83072401) 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, 254661 + ... + 254986.

It is an arithmetic number, because the mean of its divisors is an integer number (20895568).

Almost surely, 2^83072461 is an apocalyptic number.

It is an amenable number.

83072461 is a deficient number, since it is larger than the sum of its proper divisors (509811).

83072461 is a wasteful number, since it uses less digits than its factorization.

83072461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 509810.

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 83072461 is about 9114.4095255809. The cubic root of 83072461 is about 436.3339699831. Note that the first 3 decimals are identical.

Adding to 83072461 its reverse (16427038), we get a palindrome (99499499).

The spelling of 83072461 in words is "eighty-three million, seventy-two thousand, four hundred sixty-one".