1672506357 has 32 divisors (see below), whose sum is σ = 2373598080. Its totient is φ = 1045873920.

The previous prime is 1672506347. The next prime is 1672506373. The reversal of 1672506357 is 7536052761.

It is not a de Polignac number, because 1672506357 - 2¹⁶ = 1672440821 is a prime.

It is a super-2 number, since 2×1672506357² = 5594555028410822898, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1672506337) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 438583 + ... + 442379.

It is an arithmetic number, because the mean of its divisors is an integer number (74174940).

Almost surely, 2^1672506357 is an apocalyptic number.

It is an amenable number.

1672506357 is a deficient number, since it is larger than the sum of its proper divisors (701091723).

1672506357 is a wasteful number, since it uses less digits than its factorization.

1672506357 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3973.

The product of its (nonzero) digits is 264600, while the sum is 42.

The square root of 1672506357 is about 40896.2878144215. The cubic root of 1672506357 is about 1187.0142310391.

The spelling of 1672506357 in words is "one billion, six hundred seventy-two million, five hundred six thousand, three hundred fifty-seven".