73214657 has 4 divisors (see below), whose sum is σ = 77068080. Its totient is φ = 69361236.

The previous prime is 73214651. The next prime is 73214683. The reversal of 73214657 is 75641237.

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: 75641237 = 7 ⋅10805891.

It is a cyclic number.

It is not a de Polignac number, because 73214657 - 2⁴ = 73214641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (73214651) 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, 1926683 + ... + 1926720.

It is an arithmetic number, because the mean of its divisors is an integer number (19267020).

Almost surely, 2^73214657 is an apocalyptic number.

It is an amenable number.

73214657 is a deficient number, since it is larger than the sum of its proper divisors (3853423).

73214657 is a wasteful number, since it uses less digits than its factorization.

73214657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3853422.

The product of its digits is 35280, while the sum is 35.

The square root of 73214657 is about 8556.5563750845. The cubic root of 73214657 is about 418.3431646217.

The spelling of 73214657 in words is "seventy-three million, two hundred fourteen thousand, six hundred fifty-seven".