48742019 has 4 divisors (see below), whose sum is σ = 48777696. Its totient is φ = 48706344.

The previous prime is 48742003. The next prime is 48742021. The reversal of 48742019 is 91024784.

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 48742019 - 2⁴ = 48742003 is a prime.

It is a super-2 number, since 2×48742019² = 4751568832392722, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 48742019.

It is not an unprimeable number, because it can be changed into a prime (48742079) 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, 15704 + ... + 18549.

It is an arithmetic number, because the mean of its divisors is an integer number (12194424).

Almost surely, 2^48742019 is an apocalyptic number.

48742019 is a deficient number, since it is larger than the sum of its proper divisors (35677).

48742019 is a wasteful number, since it uses less digits than its factorization.

48742019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35676.

The product of its (nonzero) digits is 16128, while the sum is 35.

The square root of 48742019 is about 6981.5484672098. The cubic root of 48742019 is about 365.2872424590.

The spelling of 48742019 in words is "forty-eight million, seven hundred forty-two thousand, nineteen".