49370978 has 4 divisors (see below), whose sum is σ = 74056470. Its totient is φ = 24685488.

The previous prime is 49370969. The next prime is 49370983. The reversal of 49370978 is 87907394.

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

It can be written as a sum of positive squares in only one way, i.e., 25877569 + 23493409 = 5087^2 + 4847^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12342743 + ... + 12342746.

Almost surely, 2^49370978 is an apocalyptic number.

49370978 is a deficient number, since it is larger than the sum of its proper divisors (24685492).

49370978 is a wasteful number, since it uses less digits than its factorization.

49370978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24685491.

The product of its (nonzero) digits is 381024, while the sum is 47.

The square root of 49370978 is about 7026.4484627726. The cubic root of 49370978 is about 366.8517344904.

The spelling of 49370978 in words is "forty-nine million, three hundred seventy thousand, nine hundred seventy-eight".