61703087 has 4 divisors (see below), whose sum is σ = 63370776. Its totient is φ = 60035400.

The previous prime is 61703071. The next prime is 61703107. The reversal of 61703087 is 78030716.

It is a happy number.

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 61703087 - 2⁴ = 61703071 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 (61703287) 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, 833789 + ... + 833862.

It is an arithmetic number, because the mean of its divisors is an integer number (15842694).

Almost surely, 2^61703087 is an apocalyptic number.

61703087 is a deficient number, since it is larger than the sum of its proper divisors (1667689).

61703087 is a wasteful number, since it uses less digits than its factorization.

61703087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1667688.

The product of its (nonzero) digits is 7056, while the sum is 32.

The square root of 61703087 is about 7855.1312528818. The cubic root of 61703087 is about 395.1563489374.

The spelling of 61703087 in words is "sixty-one million, seven hundred three thousand, eighty-seven".