61073003 has 4 divisors (see below), whose sum is σ = 61447848. Its totient is φ = 60698160.

The previous prime is 61072969. The next prime is 61073057. The reversal of 61073003 is 30037016.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 61073003 - 2⁶ = 61072939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61073063) 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, 187178 + ... + 187503.

It is an arithmetic number, because the mean of its divisors is an integer number (15361962).

Almost surely, 2^61073003 is an apocalyptic number.

61073003 is a deficient number, since it is larger than the sum of its proper divisors (374845).

61073003 is a wasteful number, since it uses less digits than its factorization.

61073003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 374844.

The product of its (nonzero) digits is 378, while the sum is 20.

The square root of 61073003 is about 7814.9218166275. The cubic root of 61073003 is about 393.8066918288.

The spelling of 61073003 in words is "sixty-one million, seventy-three thousand, three".