78741461 has 4 divisors (see below), whose sum is σ = 79055424. Its totient is φ = 78427500.

The previous prime is 78741427. The next prime is 78741463. The reversal of 78741461 is 16414787.

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, and also an emirpimes, since its reverse is a distinct semiprime: 16414787 = 1087 ⋅15101.

It is a cyclic number.

It is not a de Polignac number, because 78741461 - 2¹⁰ = 78740437 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 (78741463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 156605 + ... + 157106.

It is an arithmetic number, because the mean of its divisors is an integer number (19763856).

Almost surely, 2^78741461 is an apocalyptic number.

It is an amenable number.

78741461 is a deficient number, since it is larger than the sum of its proper divisors (313963).

78741461 is a wasteful number, since it uses less digits than its factorization.

78741461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 313962.

The product of its digits is 37632, while the sum is 38.

The square root of 78741461 is about 8873.6385434612. The cubic root of 78741461 is about 428.6154511551.

The spelling of 78741461 in words is "seventy-eight million, seven hundred forty-one thousand, four hundred sixty-one".